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Formation of Titanium Dioxide Photocatalytic
Film and Its Criticism of Functionality
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Shizuo NAKAMURA, Youko KATUYAMA, Yukiyo FUJISHIMA, Takeshi TOYOTA,
Noriaki SHIMIZU and Kentaro OOHASHI
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In this study, the convenient synthesis of the titanium dioxide photocatalytic
solution was tried, and the films produced by this synthesis were evaluated
as the photocatalyst. Also an excitation source of titanium dioxide other
than the ultraviolet ray was examined. The following results were obtained.
(1)The solution of the photocatalyst was easily synthesized by using organic
compounds of titanium dioxide. (2)The result of the XRD analysis showed
that heat treatment temperature of about 500℃, and the coating over three
times to the substrate were effective. (3)The photocatalytic effect of
films was confirmed by all ways of the gas pack method, the methylene
blue method and the exposure test. (4)The excitation energy from the ultrasonic
wave provided titanium dioxide with the catalysis, as well as that of
ultraviolet ray.
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Keywords ■■■ |
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titanium dioxide, photocatalyst,
ultrasonic wave |
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