Gas-assisted coating of Bi-based (CH₃NH₃)₃Bi₂I₉ active layer in perovskite solar cells

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• 作者：Takayuki Okano^a ; Yoshikazu Suzuki^a ; ^b ; ^{suzuki@ims.tsukuba.ac.jp}
• 关键词：Perovskite solar cells ; Lead-free ; Bi-based ; (CH3NH3)3Bi2I9 ; Gas-assisted
• 刊名：Materials Letters
• 出版年：2017
• 出版时间：15 March 2017
• 年：2017
• 卷：191
• 期：Complete
• 页码：77-79
• 全文大小：841 K
• 卷排序：191

文摘

(CH3NH3)3Bi2I9 is a promising lead-free perovskite active layer for solar cells. Gas-assisted deposition enabled dense and smooth (CH3NH3)3Bi2I9 active layer. 25% VOC and 17% efficiency improvements compared with the conventional method.