Photocatalytic nano-crystalline TiO 2 thin films, method...

Details Photocatalytic nano-crystalline TiO 2 thin films, method... Photocatalytic nano-crystalline TiO 2 thin films, method...

2003-10-17

2009-12-29

Richter, Johann R (Department: 1616)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heavy metal containing doai

C424S617000

Reexamination Certificate

active

07638555

ABSTRACT:
The preferred embodiments provide for a process for preparing a TiO2thin film. The preferred embodiments also provide for TiO2thin films prepared by the process herein, and a method of using TiO2thin films for killing bacteria and viruses in an environment under ultraviolet irradiation. The TiO2thin films according to the invention have higher photocatalytic activity, and can particularly be used to photocatalytically degrade organic pollutants in air to hereby kill bacteria and viruses therein.

REFERENCES:
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patent: 3017282 (1962-01-01), Brill
patent: 4993354 (1991-02-01), Makita et al.
patent: 5897958 (1999-04-01), Yamada et al.
patent: 6106955 (2000-08-01), Ogawa et al.
Stathatos et al.. Nanocrystallite Titanium Dioxide Films Made by the Sol-Gel Method Using Reverse Micelles. Journal of Sol-Gel Science and Technology (1997), vol. 10, pp. 83-89.
English abstract of CN 1312337 (Sep. 12, 2001).
English abstract of CN 1342517 (Apr. 3, 2002).
English abstract of CN 1400186 (Mar. 5, 2003).

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