Ten-percent solar-to-fuel conversion with nonprecious materials

被引：276

作者：

Cox, Casandra R. ^{[1
]}

Lee, Jungwoo Z. ^{[2
]}

Nocera, Daniel G. ^{[1
]}

Buonassisi, Tonio ^{[2
]}

机构：

[1] Harvard Univ, Dept Chem & Chem Biol, Cambridge, MA 02138 USA

[2] MIT, Dept Mech Engn, Cambridge, MA 02139 USA

来源：

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA | 2014年 / 111卷 / 39期

基金：

美国国家科学基金会; 新加坡国家研究基金会;

关键词：

solar cell; earth abundant; renewable; artificial leaf; multijunction; OXYGEN-EVOLVING CATALYST; WATER OXIDATION; HYDROGEN-PRODUCTION; THIN-FILM; IN-SITU; SEMICONDUCTING PHOTOELECTRODES; EVOLUTION CATALYST; SPLITTING WATER; DESIGN CRITERIA; EFFICIENCY;

D O I：

10.1073/pnas.1414290111

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：

Direct solar-to-fuels conversion can be achieved by coupling a photovoltaic device with water-splitting catalysts. We demonstrate that a solar-to-fuels efficiency (SFE) > 10% can be achieved with nonprecious, low-cost, and commercially ready materials. We present a systems design of a modular photovoltaic (PV)-electrochemical device comprising a crystalline silicon PV minimodule and low-cost hydrogen-evolution reaction and oxygen-evolution reaction catalysts, without power electronics. This approach allows for facile optimization en route to addressing lower-cost devices relying on crystalline silicon at high SFEs for direct solar-to-fuels conversion.

引用

页码：14057 / 14061

页数：5

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