Stable solar-driven oxidation of water by semiconducting photoanodes protected by transparent catalytic nickel oxide films

被引：179

作者：

Sun, Ke ^{[1
,3
]}

Saadi, Fadl H. ^{[2
,3
]}

Lichterman, Michael F. ^{[1
,3
]}

Hale, William G. ^{[3
,4
]}

Wang, Hsin-Ping ^{[5
]}

Zhou, Xinghao ^{[2
,3
]}

Plymale, Noah T. ^{[1
]}

Omelchenko, Stefan T. ^{[2
,3
]}

He, Jr-Hau ^{[5
]}

Papadantonakis, Kimberly M. ^{[1
,3
]}

Brunschwig, Bruce S. ^{[3
,6
]}

Lewis, Nathan S. ^{[1
,3
,6
,7
]}

机构：

[1] CALTECH, Div Chem & Chem Engn, Pasadena, CA 91125 USA

[2] CALTECH, Div Engn & Appl Sci, Pasadena, CA 91125 USA

[3] CALTECH, Joint Ctr Artificial Photosynth, Pasadena, CA 91125 USA

[4] Univ Southampton, Dept Chem, Southampton SO17 1BJ, Hants, England

[5] King Abdullah Univ Sci & Technol, Comp Elect & Math Sci & Engn Div, Thuwal 239556900, Saudi Arabia

[6] CALTECH, Beckman Inst, Mol Mat Res Ctr, Pasadena, CA 91125 USA

[7] CALTECH, Kavli Nanosci Inst, Pasadena, CA 91125 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2015年 / 112卷 / 12期

基金：

美国国家科学基金会;

关键词：

electrocatalysis; solar-driven water oxidation; photoanode stabilization; nickel oxide; ANODIC-OXIDATION; SILICON; EFFICIENCY; EVOLUTION; SI; NIO;

D O I：

10.1073/pnas.1423034112

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Reactively sputtered nickel oxide (NiOx) films provide transparent, antireflective, electrically conductive, chemically stable coatings that also are highly active electrocatalysts for the oxidation of water to O-2(g). These NiOx coatings provide protective layers on a variety of technologically important semiconducting photoanodes, including textured crystalline Si passivated by amorphous silicon, crystalline n-type cadmium telluride, and hydrogenated amorphous silicon. Under anodic operation in 1.0 M aqueous potassium hydroxide (pH 14) in the presence of simulated sunlight, the NiOx films stabilized all of these self-passivating, high-efficiency semiconducting photoelectrodes for >100 h of sustained, quantitative solar-driven oxidation of water to O-2(g).

引用

页码：3612 / 3617

页数：6

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