Recent progress in enhancing solar-to-hydrogen efficiency

被引:118
作者
Chen, Jianqing [1 ,2 ]
Yang, Donghui [1 ]
Song, Dan [1 ]
Jiang, Jinghua [1 ]
Ma, Aibin [1 ]
Hu, Michael Z. [3 ]
Ni, Chaoying [2 ]
机构
[1] Hohai Univ, Coll Mech & Mat, Nanjing 210098, Jiangsu, Peoples R China
[2] Univ Delaware, Dept Mat Sci & Engn, Newark, DE 19716 USA
[3] Oak Ridge Natl Lab, Oak Ridge, TN 37831 USA
基金
美国国家科学基金会;
关键词
Water splitting; Solar-to-hydrogen; Doping; Sensitizing; Light absorption; Exciton; VISIBLE-LIGHT-DRIVEN; PHOTOELECTROCHEMICAL WATER OXIDATION; TIO2 NANOWIRE ARRAYS; ATOMIC LAYER DEPOSITION; OXYGEN EVOLUTION REACTION; DOPED TIN OXIDE; COBALT-PHOSPHATE; HIGHLY EFFICIENT; SOLID-SOLUTION; SEMICONDUCTOR NANOWIRES;
D O I
10.1016/j.jpowsour.2015.01.073
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Solar water splitting is a promising and ideal route for renewable production of hydrogen by using the most abundant resources of solar light and water. Focusing on the working principal of solar water splitting, including photon absorption and exciton generation in semiconductor, exciton separation and transfer to the surface of semiconductor, and respective electron and hole reactions with absorbed surface species to generate hydrogen and oxygen, this review covers the comprehensive efforts and findings made in recent years on the improvement for the solar-to-hydrogen efficiency (STH) determined by a combination of light absorption process, charge separation and migration, and catalytic reduction and oxidation reactions. Critical evaluation is attempted on the strategies for improving solar light harvesting efficiency, enhancing charge separation and migration, and improving surface reactions. Towards the end, new and emerging technologies for boosting the STH efficiency are discussed on multiple exciton generation, up-conversion, multi-strategy modifications and the potentials of organometal hybrid perovskite materials. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码:649 / 666
页数:18
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