Anti-reflection glass with tin oxide nanoparticles
First Claim
1. A method of forming a coated article with an anti-reflection coating, the method comprising:
- forming a coating consisting essentially of silica particles and a binder directly on a first surface of a glass substrate; and
forming a coating comprising tin oxide directly on a second surface of the glass substrate,wherein the glass substrate is disposed between the silica coating and the tin oxide coating.
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Accused Products
Abstract
An improved anti-reflection glass with higher transmittance (ΔTqe %) results from a coating of or including tin oxide (e.g., SnO2) nanoparticles (e.g., 10-20 nm in size) applied to a surface of solar float or matte/matte glass. The tin oxide based coating layer shows improved chemical stability and durability and can be prepared using a sol-gel process and applied by spin coating. Matte/matte anti-reflection glass samples may have two coating layers (e.g., SnO2 nanoparticles on the rough side and SiO2 nanoparticles on the smooth side) and exhibit an improved transmittance (e.g., visible transmittance) of at least 2.0%, e.g., about 3.5%. As high as a 30% increase of ΔTqe % has been observed when anti-reflection matte/matte glass coated with SnO2 is exposed in a salt fog chamber for 5 days. The increase in transmittance may be due to the different pore structure of the SnO2 coating layer, while the increase of Tqe % in a salt fog chamber may be due to the crystalline SnO2 formation.
46 Citations
19 Claims
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1. A method of forming a coated article with an anti-reflection coating, the method comprising:
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forming a coating consisting essentially of silica particles and a binder directly on a first surface of a glass substrate; and forming a coating comprising tin oxide directly on a second surface of the glass substrate, wherein the glass substrate is disposed between the silica coating and the tin oxide coating. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of forming a coated article with an anti-reflection coating, the method comprising:
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forming a first coating containing a first coating layer comprising a silica on a first surface of a glass substrate; and forming a second coating containing a second coating layer comprising tin oxide on a second surface of the glass substrate, wherein the glass substrate is disposed between the first coating and the second coating, and wherein the second coating on the second surface of the glass substrate only includes the second coating layer, and wherein the first coating on the first surface of the glass substrate only includes the first coating layer.
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Specification