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

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• 作者：Xiaoqian Xu ; Fangjian Qiao ; Liyun Dang ; Qingyi Lu ; Feng Gao
• 刊名：Journal of Physical Chemistry C
• 出版年：2014
• 出版时间：July 31, 2014
• 年：2014
• 卷：118
• 期：30
• 页码：16856-16862
• 全文大小：444K
• ISSN：1932-7455

文摘

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鈥?0 nm and porous SnO₂ nanosheets have a large specific surface area of 37.39 m²/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.