摘要:
One subject of the invention is a material comprising a substrate coated on at least one portion of at least one of its faces with a stack comprising a photocatalytic layer, the geometrical thickness of which is between 2 and 30 nm, and at least one pair of respectively high and low refractive index layers positioned underneath said photocatalytic layer so that in the or each pair, the or each high refractive index layer is closest to the substrate, said material being such that the optical thickness, for a wavelength of 350 nm, of the or each high refractive index layer, except the photocatalytic layer, is between 170 and 300 nm and the optical thickness, for a wavelength of 350 nm, of the or each low refractive index layer is between 30 and 90 nm.
摘要:
The subject of the invention is a material comprising a glass substrate coated on at least one of its faces with a thin-film multilayer comprising, starting from said substrate, at least one lower dielectric layer, at least one functional layer made of a metal or metal nitride, at least one upper dielectric layer and at least one layer of titanium oxide at least partially crystallized in the anatase form, said metal or metal nitride being based on Nb, NbN, W, WN, Ta, TaN or any of their alloys or solid solutions.
摘要:
Surface texturing process, i.e. one for the formation of at least one array of features with a characteristic dimension on at least one surface portion of a substrate having a glass function, characterized in that a solution containing at least one precursor of a material to be deposited is dissociated, at atmospheric pressure, within a flame, said flame being directed toward said surface portion so as to deposit, in the form of a plurality of nodules based on said material, a mask, said mask of said material being subjected to an etching step.
摘要:
The invention relates to a transparent glass substrate, associated with a transparent electro-conductive layer capable of constituting an electrode of a photovoltaic cell and composed of a doped oxide, characterized by the interposition, between the glass substrate and the transparent electroconductive layer, of a mixed layer of one or more first nitride(s) or oxynitride(s), or oxide(s) or oxycarbide(s) having good adhesive properties with glass, and one or more second nitride(s) or oxynitride(s) or oxide(s) or oxycarbide(s) capable of constituting, possibly in the doped state, a transparent electroconductive layer; a method for producing this substrate; a photovoltaic cell, a tempered and/or curved glass, a shaped heating glass, a plasma screen and a flat lamp electrode having this substrate.
摘要:
One subject of the invention is a material comprising a substrate coated on at least one portion of at least one of its faces with a stack comprising a photocatalytic layer, the geometrical thickness of which is between 2 and 30 nm, and at least one pair of respectively high and low refractive index layers positioned underneath said photocatalytic layer so that in the or each pair, the or each high refractive index layer is closest to the substrate, said material being such that the optical thickness, for a wavelength of 350 nm, of the or each high refractive index layer, except the photocatalytic layer, is between 170 and 300 nm and the optical thickness, for a wavelength of 350 nm, of the or each low refractive index layer is between 30 and 90 nm.
摘要:
The subject of the invention is a process for obtaining a material comprising a substrate and at least one at least partially crystalline titanium-oxide-based thin film deposited on a first side of said substrate, said process comprising the following steps: said at least one titanium-oxide-based thin film is deposited; said at least one titanium-oxide-based thin film is subjected to a crystallization treatment, supplying energy capable of raising each point of said at least one titanium-oxide-based thin film to a temperature of at least 300° C. while maintaining a temperature not exceeding 150° C. at any point on the opposite side of said substrate to said first side; said crystallization treatment being preceded by a deposition step, in which an energy-providing film is deposited above and/or below said titanium-oxide-based thin film, said energy-providing film being capable of absorbing the energy supplied during said crystallization treatment more effectively than said at least one titanium oxide film and/or of creating additional energy during said crystallization treatment, and of transmitting at least some of said energy to said at least one titanium-oxide-based thin film during said crystallization treatment.
摘要:
A transparent substrate including an antireflection coating, made from a stack of thin layers of dielectric material having alternately high and low refractive indices. This stack includes a high-index first layer having a refractive index n, of between 1.8 and 2.2 and a geometrical thickness e1 of between 5 and 50 nm, a low-index second layer having a refractive index n2 of between 1.35 and 1.65 and a geometrical thickness e2 of between 5 and 50 nm, a high-index third layer having a refractive index n3 of between 1.8 and 2.2 and a geometrical thickness e3 of between 70 and 120 nm, and a low-index fourth layer having a refractive index n4 of between 1.35 and 1:65 and a geometrical thickness e4 of at least 80 nm.
摘要:
The subject of the invention is a process for obtaining a substrate coated on at least part of its surface with at least one film of oxide of a metal M the physical thickness of which is 30 nm or less, said oxide film not being part of a multilayer comprising at least one silver film, said process comprising the following steps: at least one intermediate film of a material chosen from the metal M, a nitride of the metal M, a carbide of the metal M and an oxygen-substoichiometric oxide of the metal M is deposited by sputtering, said intermediate film not being deposited above or beneath a titanium-oxide-based film, the physical thickness of said intermediate film being 30 nm or less; and at least part of the surface of said intermediate film is oxidized using a heat treatment, during which said intermediate film is in direct contact with an oxidizing atmosphere, especially air, the temperature of said substrate during said heat treatment not exceeding 150° C.
摘要:
The subject of the invention is a process for obtaining a material comprising a substrate and at least one at least partially crystalline titanium-oxide-based thin film deposited on a first side of said substrate, said process comprising the following steps: said at least one titanium-oxide-based thin film is deposited; said at least one titanium-oxide-based thin film is subjected to a crystallization treatment, supplying energy capable of raising each point of said at least one titanium-oxide-based thin film to a temperature of at least 300° C. while maintaining a temperature not exceeding 150° C. at any point on the opposite side of said substrate to said first side; said crystallization treatment being preceded by a deposition step, in which an energy-providing film is deposited above and/or below said titanium-oxide-based thin film, said energy-providing film being capable of absorbing the energy supplied during said crystallization treatment more effectively than said at least one titanium oxide film and/or of creating additional energy during said crystallization treatment, and of transmitting at least some of said energy to said at least one titanium-oxide-based thin film during said crystallization treatment.
摘要:
The invention relates to a glass substrate (1) provided with an electrode comprising at least one metal oxide-based transparent conducting layer (3), characterized in that said layer has an RMS roughness of at least 3 nm, especially of at least 5 nm and/or a mean feature size for this roughness of at least 50 nm.