Nanostructured coatings and related methods
First Claim
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1. A substrate coated with nanostructures formed by a process comprising:
- a. depositing an undercoating over at least a portion of the substrate;
b. fluidizing a precursor for nanostructures; and
c. forcing the fluidized precursor toward the substrate to coat the undercoating with nanostructures.
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Abstract
A coated substrate and methods for making the coated substrate are disclosed. The method entails depositing an undercoating over at least a portion of the substrate; fluidizing a precursor for nanostructures; and forcing the fluidized precursor toward the substrate to coat the undercoating with a layer of nanostructures. Coated substrates according to the present invention exhibit improved durability and increased photocatalytic activity.
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Citations
32 Claims
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1. A substrate coated with nanostructures formed by a process comprising:
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a. depositing an undercoating over at least a portion of the substrate;
b. fluidizing a precursor for nanostructures; and
c. forcing the fluidized precursor toward the substrate to coat the undercoating with nanostructures. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A glass substrate coated with a layer of nanostructures formed by a process comprising:
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a. depositing an undercoating comprising a mixture of silica and alumina over at least a portion of the substrate;
b. fluidizing a precursor for titania nanostructures selected from titanium tetra iso-propoxide, titanium tetra chloride, titanium tetra n-butoxide, titanium tetraethoxide, titanium tetra methoxide, titanyl acetylacetonate, titanium tetrapropoxide and titanium tetra (triethanolaminato); and
c. forcing the fluidized precursor toward the substrate to coat the undercoating with a layer of nanostructures. - View Dependent Claims (17, 18)
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19. A method of making a coated substrate comprising:
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a. depositing an undercoating over at least a portion of the substrate;
b. fluidizing a precursor for nanostructures; and
c. forcing the fluidized precursor toward the substrate to coat the undercoating with nanostructures. - View Dependent Claims (20, 21, 22, 23, 24)
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25. A method of making a coated a substrate comprising:
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depositing an undercoating comprising a mixture of silica and alumina over at least a portion of the substrate;
fluidizing a precursor for titania nanostructures selected from titanium tetra iso-propoxide, titanium tetra chloride, titanium tetra n-butoxide, titanium tetraethoxide, titanium tetra methoxide, titanyl acetylacetonate, titanium tetrapropoxide and titanium tetra (triethanolaminato); and
forcing the fluidized precursor toward the substrate using compressed gas, to coat the undercoating with a layer of nanostructures. - View Dependent Claims (26, 27)
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28. A coated substrate comprising:
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a substrate;
an undercoating over at least a portion of the substrate; and
a layer of nanostructures over at least a portion of the undercoating, wherein the undercoating is coated with a layer of nanostructures. - View Dependent Claims (29, 30, 31, 32)
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Specification