A cobalt(II) quaterpyridine complex as a visible light-driven catalyst for both water oxidation and reduction

被引：188
作者：
Leung, Chi-Fai
Ng, Siu-Mui
Ko, Chi-Chiu
Man, Wai-Lun
Wu, Jiashou
Chen, Lingjing
Lau, Tai-Chu [1 ]
机构：
[1] City Univ Hong Kong, SKLMP, Inst Mol Funct Mat, Kowloon, Hong Kong, Peoples R China
来源：
ENERGY & ENVIRONMENTAL SCIENCE | 2012年 / 5卷 / 07期
关键词：
ELECTROCATALYTIC HYDROGEN EVOLUTION; ELECTROCHEMICAL REDUCTION; MOLECULAR CATALYSTS; LOW OVERPOTENTIALS; RECENT PROGRESS; H-2; PRODUCTION; CHALLENGES; LIGANDS; SYSTEM; PLANET;
D O I：
10.1039/c2ee21840b
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The complex [Co-II(qpy)(OH2)(2)](2+) (qpy = 2,2': 6',2 '': 6 '',2'''-quaterpyridine) is an efficient visible light-driven catalyst for both water oxidation and reduction. It catalyses photochemical oxygen evolution from water at pH 8.0 with [Ru-II(bpy)(3)](2+)/S2O82- (lambda = 457 nm, max TON = 335, bpy = 2,2'-bipyridine). It also catalyses photochemical hydrogen generation from [Ir-III(dF(CF3)ppy)(2)(dtbbpy)](+)/TEOA (dF(CF3)ppy = anion of 2-(2,4-difluorophenyl)-5-tri-fluoromethylpyridine, dtbbpy - 4,4'-di-tert-butyl-2,2'-bipyridine, TEOA = triethanolamine) in aqueous acetonitrile (lambda > 420 nm, max TON = 1730).
引用
收藏
页码：7903 / 7907
页数：5
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