Substrates comprising a photocatalytic TiO 2 layer

Details Substrates comprising a photocatalytic TiO 2 layer Substrates comprising a photocatalytic TiO 2 layer

2005-01-07

2008-11-11

Speer, Timothy M (Department: 1794)

Stock material or miscellaneous articles

Composite

Of quartz or glass

C428S312200, C428S312600, C428S312800, C428S325000, C428S701000, C428S702000

Reexamination Certificate

active

07449245

ABSTRACT:
Substrates comprising a photocatalytic layer containing TiO2are produced using TiO2particles which may optionally be doped with metallic or non-metallic elements or compounds. The photocatalytic layer exhibits a concentration gradient of the TiO2particles. An organically modified inorganic hybrid layer may be provided between the substrate and the photocatalytic layer.

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C.J. Brinker, G.W. Scherer: “Sol-Gel Science—The Physics and Chemistry of Sol-Gel Processing”, Academic Press, Boston, San Diego, New York, London, Sydney, Tokyo, Toronto (1990), pp. 108-115.

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