Chinese Optics Letters, 2017, 15 (9): 093501, Published Online: Jul. 19, 2018  

Thermal-stable mixed-cation lead halide perovskite solar cells Download: 1045次

Author Affiliations
National Laboratory of Solid State Microstructures, College of Engineering and Applied Sciences and School of Physics, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China
Abstract
As perovskite solar cells show tremendous potential for widespread applications, we find that adding inorganic thermal-stable cesium ions into MAPbI3 results in significantly improves thermal stability. For un-encapsulated perovskite devices, the energy conversion efficiency maintains about 75% of its original value (over 15%) in the MA0.85Cs0.05PbI3 device under 80 min of heating at 140°C in a dry atmosphere (RH30%). With significantly improved thermal stability achieved by a convenient process, it is expected that this type of mixed-cation perovskites can further facilitate large scale applications.

Shuai Gu, Pengchen Zhu, Renxing Lin, Mingyao Tang, Shining Zhu, Jia Zhu. Thermal-stable mixed-cation lead halide perovskite solar cells[J]. Chinese Optics Letters, 2017, 15(9): 093501.

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