Highly efficient dye-sensitized solar cells achieved through using Pt-free Nb2O5/C composite counter electrode and iodide-free redox couples
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- 作者：Ling Lia ; Qi Lua ; Wenyan Lib ; Xiaowei Lia ; lixiaowhbu@163.com" class="auth_mail" title="E-mail the corresponding author ; Anders Hagfeldtc ; Wenming Zhanga ; ; Mingxing Wub ; 1 ; mingxing.wu@mail.hebtu.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Solar cells ; Counter electrode ; Composite ; Catalysts ; Redox couples
- 刊名：Journal of Power Sources
- 出版年：2016
- 出版时间：15 March 2016
- 年：2016
- 卷：308
- 期：Complete
- 页码：37-43
- 全文大小：1519 K
文摘
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We synthesized a composite of Nb2O5/C for dye-sensitized solar cells (DSCs).
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The catalytic activities of Nb2O5/C were enhanced remarkably as compared with Nb2O5.
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The improved catalytic activity of the composite can be attributed to the enhanced surface area and conductivity.
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The DSCs using Nb2O5/C counter electrode showed a high efficiency of 9.86%.