The present invention relates to a personal care composition comprising a cosmetically acceptable medium; and composite particles comprising zinc chalcogenide nanoparticles and a metal oxide matrix in which the nanoparticles are embedded.
A library of barcoded particle population including combinations of inorganic fluorescent nanoparticles leading to unique identification of the barcoded particle population, and an essay kit including the library of barcoded particle populations and at least one fluorescent protein. Also, a device for biological assay configured to separate at an individual level the composite particles from the assay kit, dispersed in a biological sample and including a reader having at least one illumination source; and a light detector measuring light intensity and coupled to a spectrometer, wherein the at least one illumination source triggers fluorescence of the inorganic fluorescent nanoparticles encapsulated in composite particles and fluorescence of the at least one fluorescent protein
A filtering film including compounds absorbing UV-light in a range from 300 nm to 380 nm and a binder, wherein the weighted mean absorbance A380 is greater than 2, and packaging having a substrate that is partially or totally covered with the filtering film or formed from the filtering film. Also, methods of protection of consumer goods against UV-light, in which the consumer goods are enclosed by the filtering film.
A45D 34/00 - Containers or accessories specially adapted for handling liquid toiletry or cosmetic substances, e.g. perfumes
B65D 81/30 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants by excluding light or other outside radiation
C08K 5/3475 - Five-membered rings condensed with carbocyclic rings
C08K 9/02 - Ingredients treated with inorganic substances
A light filtering material including at least one matrix material; and semi-conductive nanoparticles which are dispersed in the matrix material. The light filtering material has: a local maximum absorbance of highest wavelength in the range from 350 to 500 nm, the local maximum has an absorbance value Amax for a wavelength λmax; a value of 0.9Amax for a wavelength λ0.9, λ0.9 being greater than λmax; a value of 0.5Amax for a wavelength λ0.5, λ0.5 being greater than λ0.9; and |λ0.5−λ0.9| is less than 15 nm.
The present invention relates to Zinc chalcogenides core-shell nanoparticles having specific light absorbing properties, in particular light filtering material comprising said Zinc chalcogenides core-shell nanoparticles.
G02F 1/00 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics
C09K 11/87 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing platinum group metals
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
H05B 33/20 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
A contact lens, including (a) at least one polymeric matrix and (b) absorbing semi-conductive nanoparticles which are dispersed in the polymeric matrix, wherein the absorbance through a layer of the contact lens is higher than 0.5 for each light wavelength ranging from 350 nm to λcut, λcut being in the visible range, preferably in the range from 400 nm to 480 nm, the layer having a thickness ranging from 50 μm to 250 μm.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
The present invention relates to an optical device comprising a substrate and a directional stacking comprising a base layer, a colour conversion layer comprising a two-dimensional photonic crystal structure and a colour conversion material, and a filler material.
The present invention relates to a library of barcoded particle population comprising combinations of inorganic fluorescent nanoparticles (10, 11, 12) leading to unique identification of said population.
Composite particles including nanoparticles dispersed in a matrix and their use in biologic assay. The nanoparticles selectively absorb or selectively emit light and have a size in at least one of its dimensions shorter than 20 nm. The weight fraction of the nanoparticles in the composite particles is greater than 0.5% and less than 50%, and the matrix of the composite particles is inorganic and includes less than 90% by weight of silica. Also, the composite particles are functionalized with a specific-binding component and have a mean size greater than 50 nm and less than 1000 nm.
cut being in the range from 420 nm to 480 nm, and the difference of lightness between the uncoated glass container and the glass container with the light filtering coating is lower than 5.
B65D 81/30 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants by excluding light or other outside radiation
B65D 85/72 - Containers, packaging elements or packages, specially adapted for particular articles or materials for edible or potable liquids, semiliquids, or plastic or pasty materials
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C08F 18/24 - Esters of carbonic or haloformic acids
C08F 20/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
C08G 77/18 - Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
C08K 9/02 - Ingredients treated with inorganic substances
C08K 9/04 - Ingredients treated with organic substances
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
B65D 81/30 - Adaptations for preventing deterioration or decay of contentsApplications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants by excluding light or other outside radiation
B65D 85/72 - Containers, packaging elements or packages, specially adapted for particular articles or materials for edible or potable liquids, semiliquids, or plastic or pasty materials
C03C 17/00 - Surface treatment of glass, e.g. of devitrified glass, not in the form of fibres or filaments, by coating
C08F 18/24 - Esters of carbonic or haloformic acids
C08F 20/28 - Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
C08G 77/18 - Polysiloxanes containing silicon bound to oxygen-containing groups to alkoxy or aryloxy groups
C08K 9/02 - Ingredients treated with inorganic substances
C08K 9/04 - Ingredients treated with organic substances
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
Disclosed is a composite particle including a plurality of nanoparticles encapsulated in an inorganic material, wherein the plurality of nanoparticles is uniformly dispersed in the inorganic material. Also disclosed is relates to a light emitting material, a support supporting at least one composite particle and/or a light emitting material and an optoelectronic device including at least one composite particle and/or a light emitting material.
An electro-luminescent film including a substrate and anisotropic semiconductor nanoparticles distributed on the substrate according to a periodic pattern. The semiconductor nanoparticles have an aspect ratio greater than 1.5, and the repetition unit of the pattern has a smallest dimension of less than 500 micrometer and includes at least one pixel. Also, a process for the manufacture of the electro-luminescent film, and a light emitting device that includes the electro-luminescent film.
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
A light sensitive device including a substrate and high pass filter semiconductor nanoparticles distributed on the substrate. The substrate includes at least one photosensor, and the semiconductor nanoparticles are high pass filters in UV-visible-NIR light range. The light sensitive device has a density of the semiconductor nanoparticles per surface unit of greater than 5×109 nanoparticles.cm−2. Also, a process for the manufacture of the light sensitive device, and an image sensor that includes the light sensitive device.
An ink including at least one colloidal dispersion of particles and at least one metal halide binder, wherein the binder is a dissociated salt of metal and halogen. Also, a method for preparing a light-sensitive material, a light-sensitive material obtainable by the method, and a device including at least one light-sensitive material obtainable by the method.
A fluorescent film including a substrate and semiconductor nanoparticles distributed on the substrate according to a periodic pattern. The semiconductor nanoparticles have a longest dimension greater than 25 nanometers or an aspect ratio greater than 1.5, and the repetition unit of the pattern has a smallest dimension of less than 500 micrometers and comprises at least two pixels. Also, a process of manufacturing the fluorescent film.
F21V 9/32 - Elements containing photoluminescent material distinct from or spaced from the light source characterised by the arrangement of the photoluminescent material
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
The present invention relates to a light filtering glass container comprising a glass container coated with a light filtering coating obtained by curing a polymerizable composition comprising semi-conductive nanoparticles.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
The present invention relates to a light filtering material comprising at least one matrix material; and semi-conductive nanoparticles which are dispersed in said matrix material.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
24.
COMPOSITION FOR THE MANUFACTURE OF AN OPHTALMIC LENS COMPRISING SEMI-CONDUCTIVE NANOPARTICLES
The present disclosure pertains to the field of polymerizable liquid composition comprising semi-conductive nanoparticles for the manufacture of ophthalmic lenses.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
The present invention relates to a display comprising an image producing system and a light filtering layer int the blue range, said light filtering layer having a limited impact on the gamut of said display.
G02B 1/04 - Optical elements characterised by the material of which they are madeOptical coatings for optical elements made of organic materials, e.g. plastics
26.
Method of preparation of nanoparticles using mercury thiolate compounds
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
SORBONNE UNIVERSITE (France)
Inventor
Lhuillier, Emmanuel
Goubet, Nicolas
Abstract
A method of preparation of mercury chalcogenide nanoparticles that includes the steps of providing a precursor of mercury and mixing the precursor of mercury with a precursor of chalcogenide, wherein the precursor of mercury is a mercury thiolate. Also, mercury telluride nanoparticles and their use in an IR photodetector, an IR photoconversion device, an IR filter or an IR photodiode.
The present invention relates to a light sensitive device comprising a substrate and high pass filter semiconductor nanoparticles distributed on the substrate.
B81C 1/00 - Manufacture or treatment of devices or systems in or on a substrate
G03G 5/00 - Recording-members for original recording by exposure e.g. to light, to heat, to electronsManufacture thereofSelection of materials therefor
28.
ELECTRO-LUMINESCENT MATERIAL AND ELECTRO-LUMINESCENT DEVICE
The present invention relates to an electro-luminescent film comprising a substrate and anisotropic semiconductor nanoparticles distributed on the substrate according to a periodic pattern.
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
B81C 1/00 - Manufacture or treatment of devices or systems in or on a substrate
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
The present invention relates to a fluorescent film comprising a substrate and semiconductor nanoparticles distributed on the substrate according to a periodic pattern, wherein semiconductor nanoparticles have a longest dimension greater than 25 nanometers.
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
30.
STABILIZED INK COMPRISING SEMICONDUCTOR PARTICLES AND USES THEREOF
The invention relates to an ink comprising at least one colloidal dispersion of particles and at least one metal halide binder, wherein said binder is a dissociated salt of metal and halogen. The invention also relates to a method for preparing a light-sensitive material, a light-sensitive material obtainable by the method of the invention, and a device comprising at least one light-sensitive material of the invention.
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
C09D 11/50 - Sympathetic, colour-changing or similar inks
C09K 11/66 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing germanium, tin or lead
C09K 11/74 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing arsenic, antimony or bismuth
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
A method for obtaining at least one particle, including: (a) preparing solution A including at least one precursor of at least one of Si, B, P, Ge, As, Al, Fe, Ti, Zr, Ni, Zn, Ca, Na, Ba, K, Mg, Pb, Ag, V, Te, Mn, Ir, Sc, Nb, Sn, Ce, Be, Ta, S, Se, N, F, and Cl; (b) preparing aqueous solution B; (c) forming droplets of solution A; (d) forming droplets of solution B; (e) mixing droplets; (f) dispersing mixed droplets in a gas flow; (g) heating dispersed droplets to obtain the at least one particle; (h) cooling the at least one particle; and (i) separating and collecting the at least one particle. The aqueous solution is acidic, neutral, or basic. In step (a) and/or step (b) at least one colloidal suspension of a plurality of nanoparticles is mixed with the solution. Also, a device for implementing the method.
B01J 2/06 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a liquid medium
B01J 2/04 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops in a gaseous medium
B01J 2/02 - Processes or devices for granulating materials, in generalRendering particulate materials free flowing in general, e.g. making them hydrophobic by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
C09D 11/037 - Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
3 or a mixture thereof; and wherein the absorption of the C—H bonds of the organic ligands relative to the absorption of metal chalcogenide nanocrystals is lower than 50%, preferably lower than 20%.
H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
H01L 51/42 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
H01L 27/30 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for either the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation
H01L 37/02 - Thermoelectric devices without a junction of dissimilar materials; Thermomagnetic devices, e.g. using Nernst-Ettinghausen effect; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof using thermal change of dielectric constant, e.g. working above and below the Curie point
H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
H01L 51/44 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation - Details of devices
A composite particle including a core and a shell, wherein the core has at least one inorganic nanoparticle and the shell is made of vitrified glass, methods for obtaining thereof and uses thereof. The uses include a film having a host material and at least one composite particle and an optoelectronic devise including at least one composite particle or the film.
Disclosed is a formulation of semiconductor nanoplatelets, including at least one nanoplatelet including a nanoplatelet core and a shell on the surface of the nanoplatelet core, wherein the formulation is substantially free of molecular oxygen and/or molecular water, and uses thereof.
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (France)
UNIVERSITÉ PIERRE ET MARIE CURIE - PARIS 6 (UPMC) (France)
Inventor
Lhuillier, Emmanuel
Goubet, Nicolas
Jagtap, Amardeep
Livache, Clément
Lin, Yu-Pu
Abstract
nm nmm, a material, a photoabsorptive film, a photoconductor, photodetector, photodiode or phototransistor, a device, the use of said plurality of metal chalcogenide nanocrystais, and a reflective or transmission filter.
C30B 7/14 - Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions the crystallising materials being formed by chemical reactions in the solution
C30B 29/46 - Sulfur-, selenium- or tellurium-containing compounds
H01L 31/0352 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
36.
Uniformly encapsulated nanoparticles and uses thereof
Disclosed is a composite particle including a plurality of nanoparticles encapsulated in an inorganic material, wherein the plurality of nanoparticles is uniformly dispersed in the inorganic material. Also disclosed is relates to a light emitting material, a support supporting at least one composite particle and/or a light emitting material and an optoelectronic device including at least one composite particle and/or a light emitting material.
Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is an illumination source and a display apparatus.
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
G02F 1/1335 - Structural association of cells with optical devices, e.g. polarisers or reflectors
H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
Disclosed is a luminescent particle including a first material, wherein the luminescent particle includes at least one particle including a second material and at least one nanoparticle dispersed in the second material; wherein the first material and the second material have a bandgap superior or equal to 3 eV; and wherein the luminescent particle is a colloidal particle. Also disclosed is a light emitting material, a support and an optoelectronic device.
Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is a display apparatus.
H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
G03B 21/00 - Projectors or projection-type viewersAccessories therefor
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
40.
Ink comprising encapsulated nanoparticles, method for depositing the ink, and a pattern, particle and optoelectronic device comprising the ink
−5 at 460 nm. The invention also relates to inks, light emitting materials including at least one ink, patterns including at least one ink, particles deposited on a support, optoelectronic devices including at least one ink and method for depositing an ink on a support.
The present invention relates to a composite particle (1) comprising a plurality of nanoparticles (3) encapsulated in an inorganic material (2), wherein the plurality of nanoparticles (3) is uniformly dispersed in said inorganic material (2). The present invention also relates to a light emitting material, a support supporting at least one composite particle (1) and/or a light emitting material and an optoelectronic device comprising at least one composite particle (1) and/or a light emitting material.
The present invention relates to a color conversion layer (4) comprising at least one light emitting material (7) comprising at least one composite particle (1) surrounded partially or totally by at least one surrounding medium (71); wherein said light emitting material (7) is configured to emit light in response to an excitation and the at least one composite particle (1) comprises a plurality of nanoparticles encapsulated in an inorganic material; and wherein said inorganic material has a difference of refractive index compared to the at least one surrounding medium (71) superior or equal to 0.02 at 450 nm. The present invention also relates to an illumination source and a display apparatus.
The present invention relates to a method for obtaining at least one particle (1) comprising the following steps: (a) preparing a solution A comprising at least one precursor of at least one element selected from the group constituted by silicon, boron, phosphorus, germanium, arsenic, aluminium, iron, titanium, zirconium, nickel, zinc, calcium, sodium, barium, potassium, magnesium, lead, silver, vanadium, tellurium, manganese, iridium, scandium, niobium, tin, cerium, beryllium, tantalum, sulfur, selenium, nitrogen, fluorine, chlorine; (b) preparing an aqueous solution B; (c) forming droplets of solution A by a first means for forming droplets; (d) forming droplets of solution B by a second means for forming droplets; (e) mixing said droplets; (f) dispersing the mixed droplets in a gas flow; (g) heating said dispersed droplets at a temperature sufficient to obtain the at least one particle (1); (h) cooling of said at least one particle (1); and (i) separating and collecting said at least one particle (1); wherein the aqueous solution may be acidic, neutral, or basic; and wherein at least one colloidal suspension comprising a plurality of nanoparticles 3 is mixed with the solution A at step (a) and/or with the solution B at step (b). The present invention also relates to a device for implementing the method.
The present invention relates to an aggregate (1) comprising a material (11); at least one particle (12) dispersed in said material (11); wherein the aggregate (1) is metastable. The present invention also relates to an optoelectronic device and a method.
Disclosed is a color conversion layer including at least one light emitting material including at least one composite particle surrounded partially or totally by at least one surrounding medium; wherein the light emitting material is configured to emit light in response to an excitation and the at least one composite particle includes a plurality of nanoparticles encapsulated in an inorganic material; and wherein the inorganic material has a difference of refractive index compared to the at least one surrounding medium superior or equal to 0.02 at 450 nm. Also disclosed is a display apparatus.
H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
G03B 21/00 - Projectors or projection-type viewersAccessories therefor
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
H01L 25/075 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
The present invention relates to a color conversion layer (4) comprising at least one light emitting material (7) comprising at least one composite particle (1) surrounded partially or totally by at least one surrounding medium (71); wherein said light emitting material (7) is configured to emit light in response to an excitation and the at least one composite particle (1) comprises a plurality of nanoparticles encapsulated in an inorganic material; and wherein said inorganic material has a difference of refractive index compared to the at least one surrounding medium (71) superior or equal to 0.02 at 450 nm. The present invention also relates to display apparatus.
The present invention relates to a color conversion layer (4) comprising at least one light emitting material (7) comprising at least one composite particle (1) surrounded partially or totally by at least one surrounding medium (71); wherein said light emitting material (7) is configured to emit light in response to an excitation and the at least one composite particle (1) comprises a plurality of nanoparticles encapsulated in an inorganic material; and wherein said inorganic material (2) has a difference of refractive index compared to the at least one surrounding medium (71) superior or equal to 0.02 at 450 nm. The present invention also relates to display apparatus.
H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
The present invention relates to a luminescent particle (1) comprising a first material (11), wherein the luminescent particle (1) comprises at least one particle (2) comprising a second material (21) and at least one nanoparticle (3) dispersed in said second material (21); wherein the first material (11) and the second material (21) have a bandgap superior or equal to 3 eV; and wherein the luminescent particle (1) is a colloidal particle. The invention also relates to a light emitting material, a support and an optoelectronic device.
The present invention relates to an ink comprising at least one particle (1) comprising a first material (11); and at least one liquid vehicle; wherein the particle (1) comprises at least one particle (2) comprising a second material (21) and at least one nanoparticle (3) dispersed in said second material (21); wherein the first material (11) and the second material (21) have an extinction coefficient less or equal to 15x10-5 at 460 nm. The invention also relates to inks, light emitting materials comprising at least one ink, patterns comprising at least one ink, particles deposited on a support, optoelectronic devices comprising at least one ink and method for depositing an ink on a support.
The invention relates to a composite particle (1) comprising a core (11) and a shell (12), wherein the core (11) comprises at least one inorganic nanoparticle (13) and the shell (12) is made of vitrified glass, methods for obtaining thereof and uses thereof.
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
C03C 4/12 - Compositions for glass with special properties for luminescent glassCompositions for glass with special properties for fluorescent glass
C03C 14/00 - Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
The invention related to a formulation of semiconductor nanoplatelets, comprising at least one nanoplatelet comprising a nanoplatelet core and a shell on the surface of the nanoplatelet core, wherein the formulation is substantially free of molecular oxygen and/or molecular water, and uses thereof.
A process of growth in the thickness of at least one facet of a colloidal inorganic sheet. By sheet is meant a structure having at least one dimension, the thickness, of nanometric size and lateral dimensions great compared to the thickness, typically more than 5 times the thickness. By homostructured is meant a material of homogeneous composition in the thickness and by heterostructured is meant a material of heterogeneous composition in the thickness. The process allows the deposition of at least one monolayer of atoms on at least one inorganic colloidal sheet, this monolayer being constituted of atoms of the type of those contained or not in the sheet. Homostructured and heterostructured materials resulting from such process as well as the applications of the materials are also described.
B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
H01L 31/0352 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
B82Y 15/00 - Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
B05D 1/00 - Processes for applying liquids or other fluent materials
B82B 1/00 - Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
B82B 3/00 - Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
The present invention relates to a plurality of metal chalcogenide nanocrystals coated with multiple organic and inorganic ligands; wherein said metal is selected from Hg, Pb, Sn, Cd, Bi, Sb or a mixture thereof; and said chalcogen is selected from S, Se, Te or a mixture thereof; wherein said multiple inorganic ligands comprises at least one inorganic ligands are selected from S2-, HS-, Se2-, Te2-, OH-, BF4-, PF6-, CI-, Br-, I-, As2Se3, Sb2S3, Sb2Te3, Sb2Se3, As2S3 or a mixture thereof; and wherein the absorption of the C-H bonds of the organic ligands relative to the absorption of metal chalcogenide nanocrystals is lower than 50%, preferably lower than 20%.
G01J 5/20 - Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using resistors, thermistors or semiconductors sensitive to radiation, e.g. photoconductive devices
H01L 31/0256 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by the material
H01L 31/101 - Devices sensitive to infrared, visible or ultraviolet radiation
54.
Light-emitting device containing anisotropic flat colloidal semiconductor nanocrystals and methods of manufacture thereof
A device that emits light in response to an electrical or optical excitation, such as LEDs, displays, e-readers, device includes at least one anisotropic flat colloidal semiconductor nanocrystal whose smallest dimension, namely the thickness, is smaller than the other two by a factor of at least 1.5, the emitted light having an intensity and a polarization that vary according to the angle formed by the light emitting direction and the normal to the largest surface of the flat nanocrystal. The device allows to realize a light-emitting device exhibiting simultaneously a high emission spectral finesse and allows proper control of the wavelength, the directivity and/or polarization of the emitted light, and thus increases the brightness and color gamut of displays composed of such a device. Such devices are found for example in displays, televisions, mobile phones, tablets, or computers. The various embodiments of these devices are also presented.
H01L 33/00 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof
F21V 9/16 - Selection of luminescent materials for light screens
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
B82Y 20/00 - Nanooptics, e.g. quantum optics or photonic crystals
F21K 9/64 - Optical arrangements integrated in the light source, e.g. for improving the colour rendering index or the light extraction using wavelength conversion means distinct or spaced from the light-generating element, e.g. a remote phosphor layer
H01L 33/32 - Materials of the light emitting region containing only elements of group III and group V of the periodic system containing nitrogen
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
H01L 33/08 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a plurality of light emitting regions, e.g. laterally discontinuous light emitting layer or photoluminescent region integrated within the semiconductor body
Disclosed are functionalizable ligands, nanoparticles, preferably nanocrystals, complexed with ligands and their use for bio-imaging. A nano material includes a nanoparticle and at least one copolymer ligand. A ligand which is a copolymer of general formula (I): H—P[(A)x-co-(B)y]n-L-R.
G01N 33/543 - ImmunoassayBiospecific binding assayMaterials therefor with an insoluble carrier for immobilising immunochemicals
C09K 11/84 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing rare earth metals containing sulfur, e.g. oxysulfides
G01N 33/58 - Chemical analysis of biological material, e.g. blood, urineTesting involving biospecific ligand binding methodsImmunological testing involving labelled substances
C08F 228/02 - Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a bond to sulfur or by a heterocyclic ring containing sulfur by a bond to sulfur
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
The present invention relates to a population of semiconductor nanoplatelets, each member of the population comprising a nanoplatelet core including a first semiconductor material and a shell including a second semiconductor material on the surface of the nanoplatelet core, wherein after ligand exchange reaction the population exhibits a quantum yield decrease of less than 50%.The present invention also relates to a high temperature growing process for manufacturing said nanoplatelets.
The present invention relates to a population of semiconductor nanoplatelets, each member of the population comprising a nanoplatelet core including a first semiconductor material and a shell including a second semiconductor material on the surface of the nanoplatelet core, wherein the population exhibits fluorescence quantum efficiency at 100 °C or above that is at least 80% of the fluorescence quantum efficiency of the population at 20°C. The present invention also relates to a nanoplatelets film comprising said population of nanoplatelets, a backlight unit comprising said nanoplatelets film and a liquid crystal display comprising said backlight unit.
The present invention relates to an electronic device comprising a substrate and at least two electrodes spaced by a nanogap, wherein the at least two electrodes are bridged by at least one nanoparticle and wherein the at least one nanoparticle has an overlap area with the at least two electrodes higher than 2% of the area of the at least one nanoparticle. The present invention also relates to a method of manufacturing of said electronic device and to the use of said electronic device in photodetector, transistor, phototransistor, optical modulator, electrical diode, photovoltaic cell or electroluminescent component.
An electronic device includes a substrate and at least two electrodes spaced by a nanogap, wherein the at least two electrodes are bridged by at least one nanoparticle and wherein the at least one nanoparticle has an overlap area with the at least two electrodes higher than 2% of the area of the at least one nanoparticle. A method of manufacturing of the electronic device and the use of the electronic device in photodetector, transistor, phototransistor, optical modulator, electrical diode, photovoltaic cell or electroluminescent component are also described.
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
B82Y 10/00 - Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
H01L 29/06 - Semiconductor bodies characterised by the shapes, relative sizes, or dispositions of the semiconductor regions
H01L 29/22 - Semiconductor bodies characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIBVI compounds
H01L 21/28 - Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups
H01L 29/41 - Electrodes characterised by their shape, relative sizes or dispositions
H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
H01L 51/56 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
H01S 5/10 - Construction or shape of the optical resonator
H01L 31/112 - Devices sensitive to infrared, visible or ultraviolet radiation characterised by field-effect operation, e.g. junction field-effect photo- transistor
C08G 81/02 - Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
C08F 8/42 - Introducing metal atoms or metal-containing groups
H01B 1/12 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances organic substances
C08F 8/00 - Chemical modification by after-treatment
A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
A61K 47/56 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule
A61K 47/58 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic macromolecular compound, e.g. an oligomeric, polymeric or dendrimeric molecule obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. poly[meth]acrylate, polyacrylamide, polystyrene, polyvinylpyrrolidone, polyvinylalcohol or polystyrene sulfonic acid resin
The present invention relates to functionalizable ligands, nanoparticles, preferably nanocrystals, complexed with said ligands and their use for bio-imaging.
A colloidal material including semiconductor nanocrystals of formula AnXm, wherein A is selected from group Ib, IIa, IIb, IIIa, IIIb, IVa, IVb, Va, Vb, VIb, VIIb, VIII, IIb, III, IV or mixtures thereof, X is selected from group Va, VIa, VIIa or mixtures thereof, and n and m are independently a decimal number from 0 to 5. The semiconductor nanocrystals have a quasi 2D structure, wherein the smallest dimension is smaller than the other two dimensions by a factor of at least 1.5 and the faces substantially normal to the smallest dimension consist either of A or X. Also, a semiconducting thin film, an optoelectronic device, a laser, a photovoltaic cell, a diode, a light emitting diode or a display including the colloidal material.
H01B 1/06 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances
C09K 11/88 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
64.
Light-emitting device containing flattened anisotropic colloidal semiconductor nanocrystals and processes for manufacturing such devices
A device that emits light in response to an electrical or optical excitation, such as LEDs, displays, e-readers, device includes at least one anisotropic flat colloidal semiconductor nanocrystal whose smallest dimension, namely the thickness, is smaller than the other two by a factor of at least 1.5, the emitted light having an intensity and a polarization that vary according to the angle formed by the light emitting direction and the normal to the largest surface of the flat nanocrystal. The device allows to realize a light-emitting device exhibiting simultaneously a high emission spectral finesse and allows proper control of the wavelength, the directivity and/or polarization of the emitted light, and thus increases the brightness and color gamut of displays composed of such a device. Such devices are found for example in displays, televisions, mobile phones, tablets, or computers. The various embodiments of these devices are also presented.
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
The present invention relates to a photodetector comprising a substrate, at least three electrodes, an active material comprising a plurality of inorganic semiconductor nanoparticles bridging at least two electrodes and an electrolyte. An aspect of the invention is also to provide a manufacturing process and the use of said photodetector.
G01N 27/414 - Ion-sensitive or chemical field-effect transistors, i.e. ISFETS or CHEMFETS
G02F 1/15 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on an electrochromic effect
The present invention relates to a supercapacitor-like electronic battery comprising at least two electrodes, at least one active material comprising a plurality of nanoparticles and at least one electrolyte, wherein the electrolyte matrix is not mixed with the active material comprising a plurality of nanoparticles. The present invention also relates to a supercapacitor-like electronic battery having a power density above 25k W/kg and an energy density above 1Wh/Kg. An aspect of the invention is also to provide a manufacturing process and the use of said supercapacitor-like electronic battery.
H01G 11/24 - Electrodes characterised by structural features of the materials making up or comprised in the electrodes, e.g. form, surface area or porosityElectrodes characterised by the structural features of powders or particles used therefor
67.
Method of increasing the thickness of colloidal nanosheets and materials consisting of said nanosheets
A process of growth in the thickness of at least one facet of a colloidal inorganic sheet. By sheet is meant a structure having at least one dimension, the thickness, of nanometric size and lateral dimensions great compared to the thickness, typically more than 5 times the thickness. By homostructured is meant a material of homogeneous composition in the thickness and by heterostructured is meant a material of heterogeneous composition in the thickness. The process allows the deposition of at least one monolayer of atoms on at least one inorganic colloidal sheet, this monolayer being constituted of atoms of the type of those contained or not in the sheet. Homostructured and heterostructured materials resulting from such process as well as the applications of the materials are also described.
B05D 1/36 - Successively applying liquids or other fluent materials, e.g. without intermediate treatment
B82B 3/00 - Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
B82Y 15/00 - Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
B05D 1/00 - Processes for applying liquids or other fluent materials
B82B 1/00 - Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
68.
Process for the thickness growth of colloidal nanosheets and materials composed of said nanosheets
A process of growth in the thickness of at least one facet of a colloidal inorganic sheet, by sheet is meant a structure having at least one dimension, the thickness, of nanometric size and lateral dimensions great compared to the thickness, typically more than 5 times the thickness. The process allows the deposition of at least one monolayer of atoms on at least one inorganic colloidal sheet, this monolayer being constituted of atoms of the type of those contained or not in the sheet. Homostructured and heterostructured materials resulting from such process as well as the applications of the materials are also described. By homostructured is meant a material of homogeneous composition in the thickness and by heterostructured is meant a material of heterogeneous composition in the thickness.
C23C 18/16 - Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coatingContact plating by reduction or substitution, i.e. electroless plating
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
B82Y 40/00 - Manufacture or treatment of nanostructures
C08F 8/42 - Introducing metal atoms or metal-containing groups
H01B 1/12 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of other non-metallic substances organic substances
70.
LIGHT-EMITTING DEVICE CONTAINING FLATTENED ANISOTROPIC COLLOIDAL SEMICONDUCTOR NANOCRYSTALS AND PROCESSES FOR MANUFACTURING SUCH DEVICES
The invention relates to a device that emits light in response to an electrical or luminous excitation, such as light-emitting diodes, displays, and e-readers. Such devices are for example found in displays, televisions, mobile phones, tablet computers, or even desktop computers. The present invention makes it possible to produce a light-emitting device that exhibits a very narrow emission spectrum and, simultaneously, allows perfect control of the wavelength, the directivity and/or the polarization of the emitted light, and thus allows the brightness and the range of displays composed from such devices to be increased. More particularly, the invention relates to a device that emits light in response to the activation of excitation means, this device comprising at least one flattened anisotropic colloidal semiconductor nanocrystal the smallest dimension of which, namely its thickness, is smaller than the two others by a factor of at least 1.5, the intensity and polarization of said emitted light varying as a function of the angle between the emission direction of the light and the normal to the largest surface of the flattened nanocrystal. Various embodiments of these devices are also presented.
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
H01L 33/06 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a quantum effect structure or superlattice, e.g. tunnel junction within the light emitting region, e.g. quantum confinement structure or tunnel barrier
y, where M is a transition metal and X a chalcogen. The process includes the following steps: The preparation of a first organic solution, non or barely coordinating used as a synthesis solvent and including at least one initial colloidal nanocrystal; The preparation of a second organic solution including precursors of M and X, and including an acetate salt. And the slow introduction over a predetermined time scale of a predetermined amount of the second solution in a predetermined amount of the first solution, at a predetermined temperature for the growth of nanosheets. The use of the obtained material is also presented.
H01L 29/04 - Semiconductor bodies characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
B82Y 30/00 - Nanotechnology for materials or surface science, e.g. nanocomposites
B82Y 40/00 - Manufacture or treatment of nanostructures
H01L 21/02 - Manufacture or treatment of semiconductor devices or of parts thereof
H01L 31/0384 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their crystalline structure or particular orientation of the crystalline planes including other non-monocrystalline materials, e.g. semiconductor particles embedded in an insulating material
H01L 33/18 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by the semiconductor bodies with a particular crystal structure or orientation, e.g. polycrystalline, amorphous or porous within the light emitting region
H01L 31/0296 - Inorganic materials including, apart from doping material or other impurities, only AIIBVI compounds, e.g. CdS, ZnS, HgCdTe
H01L 31/032 - Inorganic materials including, apart from doping materials or other impurities, only compounds not provided for in groups
H01L 31/0352 - SEMICONDUCTOR DEVICES NOT COVERED BY CLASS - Details thereof characterised by their semiconductor bodies characterised by their shape or by the shapes, relative sizes or disposition of the semiconductor regions
C30B 7/08 - Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions by cooling of the solution
72.
METHOD OF INCREASING THE THICKNESS OF COLLOIDAL NANOSHEETS AND MATERIALS CONSISTING OF SAID NANOSHEETS
The invention relates to a method of increasing the thickness of at least one face of an inorganic colloidal sheet. The invention further relates to the homostructured or heterostructured materials resulting from such a method and the applications of said materials. Sheet designates a structure having at least one nanoscale dimension, the thickness, and lateral dimensions larger than the thickness, typically more than 5 times the thickness. Homostructured designates a material having a homogeneous composition in thickness, and heterostructured designates a material having a heterogeneous composition in thickness. More particularly, the invention relates to a method used to deposit at least one monolayer of atoms on at least one inorganic colloidal sheet, said monolayer consisting of atoms of the type of those contained or not contained in said sheet. The use of the material obtained is also presented.
The invention relates to a process for the thickness growth of at least one face of an inorganic colloidal sheet. The invention also relates to the homostructured or heterostructured materials resulting from such a process and also to the applications of said materials. The term sheet denotes a structure having at least one dimension, the thickness, of nanometre size and having large lateral dimensions compared to the thickness, typically more than 5 times the thickness. The term homostructured denotes a material having a composition that is homogeneous in thickness and the term heterostructured denotes a material having a composition that is heterogeneous in thickness. More particularly, the invention relates to a process enabling the deposition of at least one monolayer of atoms on at least one inorganic colloidal sheet, this monolayer consisting of atoms of the type of those that are contained or not in said sheet. The use of the material obtained is also presented.
The present invention relates to a nanoparticle comprising a nanosheet coated partially or totally with at least one layer of inorganic material and its use as a fluorophore or a fluorescent agent.
C30B 7/00 - Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
B01J 13/00 - Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided forMaking microcapsules or microballoons
This invention relates to a fluorescence detection device comprising a support means (101) for supporting a sample (111), a sample excitation means so that a fluorescence is emitted by the sample (111) and a detection means for detecting said fluorescence, said support means (101) comprising a layer having a rough surface (115) for redirecting said fluorescence in a plurality of directions and said detection means covering an observation cone to collect the redirected fluorescence in a plurality of directions.
patents
