From unstable CsSnI3 to air-stable Cs2SnI6: A lead-free perovskite solar cell light absorber with bandgap of 1.48 eV and high absorption coefficient
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- 作者：Xiaofeng Qiua ; Bingqiang Caoa ; mse_caobq@ujn.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Shuai Yuana ; Xiangfeng Chena ; Zhiwen Qiua ; Yanan Jianga ; Qian Yeb ; Hongqiang Wangb ; hongqiang.wang@nwpu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Haibo Zengc ; Jian Liud ; Mercouri G. Kanatzidisd ; m-kanatzidis@northwestern.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Perovskite absorber ; Air-stable ; Lead-free ; Cs2SnI6 ; Solar cell
- 刊名：Solar Energy Materials and Solar Cells
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：159
- 期：Complete
- 页码：227-234
- 全文大小：2326 K
文摘
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Discovery of the phase conversion from unstable CsSnI3 to air-stable Cs2SnI6 at room temperature.
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Cs2SnI6 with proper band gap and high absorption coefficient is a very promising solar cell light absorber.
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The first Cs2SnI6 based solar cell with PCE of 1% was achieved.