| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a titanium oxide particle dispersion liquid wherein titanium oxide particles do not aggregate, do not precipitate and are stable, and exhibit high photocatalytic activity and a method for manufacturing the titanium oxide particle dispersion liquid, and to provide a photocatalyst structure which comprises the titanium oxide particles in the titanium oxide particles being supported on a porous substrate, in which the titanium oxide particles hardly exfoliates or drops out, and which has high photocatalytic activity. Ž<P>SOLUTION: A solution in which a complex titanium compound is mixed with an aqueous solvent to be hydrolyzed, is heated at 30-150°C, thereafter a side reaction object and a residual raw material are removed, and thereby the titanium oxide particle dispersion liquid is obtained. The photocatalyst structure comprises supporting the titanium oxide particle in the titanium oxide particle dispersion liquid at the porous substrate. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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