Hierarchical Zn2SnO4 nanosheets consisting of nanoparticles for efficient dye-sensitized solar cells

被引：40
|
作者：
Wang, Yu-Fen [1 ]
Li, Ke-Nan [1 ]
Xu, Yang-Fan [1 ]
Su, Cheng-Yong [1 ]
Kuang, Dai-Bin [1 ]
机构：
[1] Sun Yat Sen Univ, MOE Key Lab Bioinorgan & Synthet Chem, State Key Lab Optoelect Mat & Technol, KLGHEI Environm & Energy Chem,Sch Chem & Chem Eng, Guangzhou 510275, Guangdong, Peoples R China
来源：
NANO ENERGY | 2013年 / 2卷 / 06期
基金：
中国国家自然科学基金;
关键词：
Dye-sensitized solar cells; Zn2SnO4; Nanosheets; Light scattering; Photovoltaic performance; CONVERSION EFFICIENCY; PHOTOCATALYTIC ACTIVITY; HOLLOW MICROSPHERES; ELECTRON-TRANSPORT; NANOWIRE ARRAYS; ZINC STANNATE; BACK-REACTION; TIO2; PHOTOANODE; FABRICATION;
D O I：
10.1016/j.nanoen.2013.06.008
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：
Hierarchical Zn2SnO4 nanosheets consisting of nanoparticles are synthesized for the first time through the facile hydrothermal process in the presence of F. Dye-sensitized solar cell based on hierarchical Zn2SnO4 nanosheets photoelectrode shows a remarkable enhancement in power conversion efficiency (4.82%) compared to that of nanoparticles (4.01%) because of its superior light scattering ability, faster electron transport rate and slower charge recombination rate, which were confirmed by the UV-vis diffuse reflectance spectroscopy, intensity-modulated photocurrent/photovoltage spectroscopy and electrochemical impedance spectroscopy. Further TiCl4 treatment of Zn2SnO4 nanosheets photoelectrode results in an impressive photovoltaic performance of 5.44%. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1287 / 1293
页数：7
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