Highly functional base material
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United States of America Patent
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Apr 2, 2002
Grant Date -
N/A
app pub date -
Nov 21, 2000
filing date -
Sep 20, 1996
priority date (Note) -
Expired
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Abstract
A highly functional material characterized in that a photocatalyst comprising fine particles of rutile type titanium dioxide strongly supporting ultra-fine metal particles selected from the group consisting of Pt, Au, Pd, Rh, Pu and Ag with a particle diameter of 1 nm to 5 nm by firing treatment so as to exhibit a quantum tumbling effect of electron between the metal particles and the rutile type titanium dioxide and the photocatalyst is scattered on a surface of the base material so as to be irradiated by a light with wavelength smaller than about 407 nm.
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