Large Grained Perovskite Solar Cells Derived from Single-Crystal Perovskite Powders with Enhanced Ambient Stability

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• 作者：Hung-Ju Yen ; Po-Wei Liang ; Chu-Chen Chueh ; Zhibin Yang ; Alex K.-Y. Jen ; Hsing-Lin Wang
• 刊名：ACS Applied Materials & Interfaces
• 出版年：2016
• 出版时间：June 15, 2016
• 年：2016
• 卷：8
• 期：23
• 页码：14513-14520
• 全文大小：609K
• 年卷期：0
• ISSN：1944-8252

文摘

In this study, we demonstrate the large grained perovskite solar cells prepared from precursor solution comprising single-crystal perovskite powders for the first time. The resultant large grained perovskite thin film possesses a negligible physical (structural) gap between each large grain and is highly crystalline as evidenced by its fan-shaped birefringence observed under polarized light, which is very different from the thin film prepared from the typical precursor route (MAI + PbI₂).