<p>To provide a tungsten oxide photocatalyst which shows a high photocatalytic activity by irradiating with visible light even under the environment where ultraviolet light is not irradiated, the tungsten oxide photocatalyst has tungsten oxide particles and Pt particles having a primary particle size of 3 to 20 nm supported on the surface of the tungsten oxide particles in an amount of 0.03 to 5 parts by weight based on 100 parts by weight of the tungsten oxide particles.</p>
申请公布号
EP1977824(A3)
申请公布日期
2009.02.18
申请号
EP20080251205
申请日期
2008.03.28
申请人
NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY;SUMITOMO CHEMICAL COMPANY, LIMITED