FUNCTIONAL POWDER AND STRUCTURE

Japanese Patent JP2006223919

A

To solve a problem of a drawback in which a photocatalytic material is expensive since titanium is a main raw material though in a TiO2 photocatalyst, a wide development study is carried out, practical use progresses and also a new material exhibiting a photocatalytic function without irradiating an ultraviolet ray is proposed from its excellent effect of environmental improvement and conservation.

It was found that an iron oxide a large amount of which is included in slag inevitably generated in ordinary steel production as a by-product is a metal deficiency oxide having a composition of FeXO(X<1) and p-type semiconductor character. Further, it was confirmed to include a photocatalytic effect without irradiating the ultraviolet ray. An inexpensive material is obtained which has the photocatalytic function without irradiating the ultraviolet ray.

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AKIYAMA TOMOHIRO
ISHII KAZUFUMI
ONO MASAYUKI
MATSUSHITA YOKO
MATSUSHITA MASASHI

JP2005037232A

August 31, 2006

February 15, 2005

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AKIYAMA TOMOHIRO
KINBOSHI KK
ISMANJ KK

B01J35/02; A01N25/02; A01N25/12; A01N25/34; A01N59/16; A61L9/00; A61L9/01; A61L9/14; B01D53/86; B01J23/745; B01J35/06; B01J35/08; B01J37/02; C02F1/30; C02F1/72; C04B33/132

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