Activation of Hematite Nanorod Arrays for Photoelectrochemical Water Splitting

被引：151
|
作者：
Morrish, Rachel [1 ]
Rahman, Mahfujur [2 ]
MacElroy, J. M. Don [2 ]
Wolden, Colin A. [1 ]
机构：
[1] Colorado Sch Mines, Dept Chem Engn, Golden, CO 80401 USA
[2] Univ Coll Dublin, Sch Chem & Bioproc Engn, Dublin 4, Ireland
来源：
CHEMSUSCHEM | 2011年 / 4卷 / 04期
基金：
爱尔兰科学基金会; 美国国家科学基金会;
关键词：
hematite; metal oxides; nanorods; photochemistry; thin films; STRUCTURAL-CHARACTERIZATION; HYDROGEN-PRODUCTION; THIN-FILMS; PHOTOOXIDATION; NANOSTRUCTURE; PHOTOANODES;
D O I：
10.1002/cssc.201100066
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Hematite nanorod arrays are activated by proper control of annealing conditions. The 100-fold improvement in photocurrent is correlated to increased absorption and tin doping from the tin oxide-coated glass substrate. The low onset potential is attributed to a reduction in surface defects, while the morphology promotes tin diffusion and facilitates electron transport. © 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：474 / 479
页数：6
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