Grain structure control and greatly enhanced carrier transport by CH3NH3PbCl3 interlayer in two-step solution processed planar perovskite solar cells
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- 作者：Yann-Cherng Cherna ; Yen-Chu Chena ; Hung-Ruei Wua ; Hsiao-Wen Zanb ; Hsin-Fei Mengc ; Sheng-Fu Hornga ; sfhorng@ee.nthu.edu.tw" class="auth_mail" title="E-mail the corresponding author
- 关键词：Perovskite solar cells ; CH3NH3PbCl3 interlayer ; Columnar grain structure ; Nucleation control ; Charge transport enhancement
- 刊名：Organic Electronics
- 出版年：2016
- 出版时间：November 2016
- 年：2016
- 卷：38
- 期：Complete
- 页码：362-369
- 全文大小：1969 K
文摘
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Direct evidence that the change in grain structure can enhance greatly carrier transport in perovskite films was provided.
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A CH3NH3PbCl3 interlayer was found to lead to columnar grain structure with larger grain size in perovskite films.
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Perovskite solar cells fabricated with CH3NH3PbCl3 interlayer exhibit a 50% increase in short-circuit current density.
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CH3NH3PbCl3 interlayer may serve as an effective method for p-i-n PSCs to achieve high Jsc with thicker perovskite layer.