Porous Tin Oxide Nanosheets with Enhanced Conversion Efficiency as Dye-Sensitized Solar Cell Electrode

被引：15
|
作者：
Xu, Xiaoqian [1 ]
Qiao, Fangjian [2 ]
Dang, Liyun [1 ]
Lu, Qingyi [1 ]
Gao, Feng [2 ]
机构：
[1] Nanjing Univ, Nanjing Natl Lab Microstruct, Inst Coordinat Chem, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China
[2] Nanjing Univ, Dept Mat Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China
来源：
JOURNAL OF PHYSICAL CHEMISTRY C | 2014年 / 118卷 / 30期
基金：
中国国家自然科学基金;
关键词：
SNO2; NANOCRYSTALS; PERFORMANCE; PHOTOANODES;
D O I：
10.1021/jp500364v
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：
In this study, porous SnO2 nanosheets composed of SnO2 nanoparticles were prepared by calcining SnS2 nanosheets. The SnO2 nanoparticles have an average diameter of 15-20 nm and porous SnO2 nanosheets have a large specific surface area of 37.39 m(2)/g. As photoanodes, the dye-sensitized solar cell (DSSCs) based on porous SnO2 nanosheets show a superior power conversion efficiency of 0.562%, improved by 134.2% compared to pure SnO2 nanoplate (0.240%). The efficiency improvement could be attributed to the unique porous architecture, which provides efficient electron channels and excellent ability of light scattering.
引用
收藏
页码：16856 / 16862
页数：7
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