High Catalytic Activity of Heteropolynuclear Cyanide Complexes Containing Cobalt and Platinum Ions: Visible-Light Driven Water Oxidation

被引：60

作者：

Yamada, Yusuke ^{[1
]}

Oyama, Kohei ^{[1
]}

Gates, Rachel ^{[3
]}

Fukuzumi, Shunichi ^{[1
,2
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Dept Mat & Life Sci, Suita, Osaka 5650871, Japan

[2] Ewha Womans Univ, Dept Bioinspired Sci, Seoul 120750, South Korea

[3] CALTECH, Pasadena, CA 91125 USA

来源：

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2015年 / 54卷 / 19期

关键词：

cobalt; heterogeneous catalysis; platinum; structure elucidation; water oxidation; ARTIFICIAL PHOTOSYNTHESIS; PRUSSIAN BLUE; HETEROGENEOUS CATALYSTS; CRYSTAL-STRUCTURE; EFFICIENT; FUEL;

D O I：

10.1002/anie.201501116

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A near-stoichiometric amount of O-2 was evolved as observed in the visible-light irradiation of an aqueous buffer (pH 8) containing [Ru-II(2,2'-bipyridine)(3)] as a photosensitizer, Na2S2O8 as a sacrificial electron acceptor, and a heteropolynuclear cyanide complex as a water-oxidation catalyst. The heteropolynuclear cyanide complexes exhibited higher catalytic activity than a polynuclear cyanide complex containing only Co-III or Pt-IV ions as C-bound metal ions. The origin of the synergistic effect between Co and Pt ions is discussed in relation to electronic and local atomic structures of the complexes.

引用

页码：5613 / 5617

页数：5

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