Stable electrocatalysts for autonomous photoelectrolysis of hydrobromic acid using single-junction solar cells

被引：18

作者：

Singh, N. ^{[1
]}

Mubeen, S. ^{[1
,2
]}

Lee, J. ^{[2
]}

Metiu, H. ^{[2
]}

Moskovits, M. ^{[2
]}

McFarland, E. W. ^{[1
]}

机构：

[1] Univ Calif Santa Barbara, Dept Chem Engn, Santa Barbara, CA 93106 USA

[2] Univ Calif Santa Barbara, Dept Chem & Biochem, Santa Barbara, CA 93106 USA

来源：

ENERGY & ENVIRONMENTAL SCIENCE | 2014年 / 7卷 / 03期

基金：

美国国家科学基金会;

关键词：

OXYGEN REDUCTION REACTION; ELECTROLYSIS; SYSTEMS;

D O I：

10.1039/c3ee43709d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Metal sulfides that are stable in bromine were investigated as electrocatalysts for hydrogen evolution in a photoelectrochemical device converting HBr to H-2(g) and Br-2(l). The photoanode was stabilized against photocorrosion using a poly(3,4-ethylenedioxythiophene) poly-(styrenesulfonate) (PEDOT:PSS) coating. Low loadings of rhodium sulfide nanoparticles were used as cathode electrocatalyst in place of platinum resulting in substantial improvement in the performance of a GaAs-based photosynthetic cell.

引用

页码：978 / 981

页数：4

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