Light-Induced Water Splitting with Hematite: Improved Nanostructure and Iridium Oxide Catalysis

被引：827
作者：
Tilley, S. David [1 ]
Cornuz, Maurin [1 ]
Sivula, Kevin [1 ]
Graetzel, Michael [1 ]
机构：
[1] Ecole Polytech Fed Lausanne, Inst Sci & Ingn Chim, CH-1015 Lausanne, Switzerland
来源：
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION | 2010年 / 49卷 / 36期
基金：
美国国家科学基金会;
关键词：
hematite; iridium; photochemistry; supported catalysts; water splitting; OXYGEN-EVOLVING CATALYST; CONTROLLED MORPHOLOGY; HYDROGEN-PRODUCTION; METAL-OXIDES; FILMS; PHOTOANODES; DEPOSITION; EVOLUTION; OXIDATION; CELLS;
D O I：
10.1002/anie.201003110
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Revved-up rust! Light-induced water splitting over iron oxide (hematite) has been achieved by using a particle-assisted deposition technique and IrO2-based surface catalysis. Photocurrents in excess of 3 mA cm-2 were obtained at +1.23 V versus the reversible hydrogen electrode under AM 1.5 G 100 mW cm-2 simulated sunlight. These photocurrents are unmatched by any other oxide-based photoanode. FTO=fluorine-doped tin oxide. Copyright © 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：6405 / 6408
页数：4
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