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    • 5. 发明专利
    • Photocatalyst immobilized material for water decomposition and method of producing hydrogen and/or oxygen
    • 用于水分解的光固化性固体材料和生产氢和/或氧的方法
    • JP2012187520A
    • 2012-10-04
    • JP2011053406
    • 2011-03-10
    • Mitsubishi Chemical Holdings CorpUniv Of Tokyo国立大学法人 東京大学株式会社三菱ケミカルホールディングス
    • DOMEN KAZUNARIMAEDA KAZUHIKOKUBOTA JUNXIONG ANKESETOYAMA TORU
    • B01J27/24B01J35/02H01M8/06
    • Y02E60/50
    • PROBLEM TO BE SOLVED: To provide a photocatalyst immobilized material that is free from deterioration of water photolysis performance of a photocatalyst and can be easily and efficiently used, and a method of producing hydrogen and/or oxygen using the photocatalyst immobilized material.SOLUTION: The photocatalyst immobilized material for water decomposition includes a photocatalyst layer on a substrate. The photocatalyst layer includes a visible light-responsive optical semiconductor which is a nitride or an oxynitride containing one or more atoms selected from the group consisting of Ga, Zn, Ti, La, Ta, and Ba, a cocatalyst supported on the visible light-responsive optical semiconductor, and at least one hydrophilic inorganic material selected from the group consisting of silica, alumina, and titanium oxide. In the method of producing hydrogen and/or oxygen, the photocatalyst immobilized material for water decomposition is set in water, and light is radiated to the photocatalyst immobilized material, thereby decomposing the water.
    • 要解决的问题:提供一种光催化剂固定化材料,其不会使光催化剂的光解性能下降,并且可以容易和有效地使用,以及使用光催化剂固定材料制备氢和/或氧的方法。 解决方案:用于水分解的光催化剂固定化材料包括在基材上的光催化剂层。 光催化剂层包括可见光响应光半导体,其是含有选自Ga,Zn,Ti,La,Ta和Ba中的一种或多种原子的氮化物或氮氧化物,负载在可见光发光层上的助催化剂, 响应性光学半导体,以及选自二氧化硅,氧化铝和氧化钛中的至少一种亲水性无机材料。 在制造氢和/或氧的方法中,将用于水分解的光催化剂固定化材料置于水中,并将光照射到光催化剂固定化材料上,从而分解水。 版权所有(C)2013,JPO&INPIT
    • 8. 发明专利
    • Photocatalyst, and method for manufacturing the same
    • 光催化剂及其制造方法
    • JP2013230427A
    • 2013-11-14
    • JP2012103243
    • 2012-04-27
    • Univ Of Tokyo国立大学法人 東京大学
    • DOMEN KAZUNARIKUBOTA JUNZHANG FUXIANGMAEDA KAZUHIKO
    • B01J35/02B01J27/24B01J35/08B01J37/16
    • PROBLEM TO BE SOLVED: To provide a photocatalyst manufactured from a relatively inexpensive material rich in resources, having a cocatalyst for the photocatalyst and showing hydrolytic activity equal to or more than that in a noble metal cocatalyst supported case, and a method for manufacturing the same.SOLUTION: A photocatalyst in which a metal oxide represented by MOand a metal M are supported on acid nitride containing Ti and/or Nb on a cocatalyst is manufactured by a photocatalyst manufacturing method characterized by including a first process for supporting a metal element M-containing compound on the acid nitride containing Ti and/or Nb and a second process for subjecting the metal element M-containing compound to reduction treatment.
    • 要解决的问题:提供一种由相对廉价的资源丰富的材料制成的光催化剂,其具有用于光催化剂的助催化剂并显示与贵金属助催化剂负载型壳体相同或更高的水解活性及其制造方法 解决方案:通过光催化剂制造方法制造其中由MO和金属M表示的金属氧化物负载在含有Ti和/或Nb的助催化剂的酸性氮化物上的光催化剂,其特征在于包括用于将金属元素M- 在含有Ti和/或Nb的酸性氮化物上的含氮化合物和使含金属元素M的化合物进行还原处理的第二种方法。