Surface-Immobilized Single-Site Iridium Complexes for Electrocatalytic Water Splitting

被引：120
|
作者：
Joya, Khurram Saleem [1 ,2 ]
Subbaiyan, Navaneetha K. [3 ]
D'Souza, Francis [3 ]
de Groot, Huub J. M. [1 ]
机构：
[1] Leiden Univ, Leiden Inst Chem, NL-2300 RA Leiden, Netherlands
[2] Univ Engn & Technol UET, Dept Chem, Lahore 54890, Punjab, Pakistan
[3] Univ N Texas, Dept Chem, Denton, TX 76203 USA
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2012年 / 51卷 / 38期
基金：
美国国家科学基金会;
关键词：
catalysis; electrochemistry; iridium; solar energy; water splitting; OXIDATION; CATALYSIS; DIOXYGEN;
D O I：
10.1002/anie.201203560
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Water into oxygen: Mono-iridium complexes (see picture; L=PO 3H2 or COOH) were immobilized on an indium tin oxide (ITO) surface to form a molecular electrocatalytic water oxidation assembly that mimics photosystem II in producing molecular oxygen with high turnover numbers (TONs). The catalyst shows TONs for O2 higher than 210 000 and turnover frequencies higher than 6.7 s-1 during electrochemical catalytic water splitting. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：9601 / 9605
页数：5
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