A Flexible Electrode Based on Iron Phosphide Nanotubes for Overall Water Splitting

被引：243
|
作者：
Yan, Ya [1 ]
Xia, Bao Yu [1 ]
Ge, Xiaoming [2 ]
Liu, Zhaolin [2 ]
Fisher, Adrian [3 ]
Wang, Xin [1 ]
机构：
[1] Nanyang Technol Univ, Sch Chem & Biomed Engn, Singapore 639798, Singapore
[2] ASTAR, IMRE, Singapore 117602, Singapore
[3] Univ Cambridge, Dept Chem Engn & Biotechnol, Cambridge CB2 3RA, England
来源：
CHEMISTRY-A EUROPEAN JOURNAL | 2015年 / 21卷 / 50期
基金：
新加坡国家研究基金会;
关键词：
electrocatalysis; hydrogen evolution reaction; nanostructures; phosphides; water splitting; HYDROGEN-EVOLUTION REACTION; CARBON-FIBER PAPER; OXYGEN EVOLUTION; THIN-FILM; MOLYBDENUM SULFIDES; EFFICIENT CATALYST; GRAPHENE FILMS; ELECTROCATALYSTS; FE; PERFORMANCE;
D O I：
10.1002/chem.201503777
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The design of cheap and efficient water splitting systems for sustainable hydrogen production has attracted increasing attention. A flexible electrode, based on carbon cloth substrate and iron phosphide nanotubes coated with an iron oxide/phosphate layer, is shown to catalyze overall water splitting. The as-prepared flexible electrode demonstrates remarkable electrocatalytic activity for both the hydrogen evolution reaction (HER) and the oxygen evolution reaction (OER) at modest overpotentials. The surface iron oxide/phosphate, which is formed in situ, is proposed to improve the HER activity by facilitating the water-dissociation step and serves directly as the catalytically-active component for the OER process.
引用
收藏
页码：18062 / 18067
页数：6
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