Mixed cation thiocyanate-based pseudohalide perovskite solar cells with high efficiency and stability

Yu Hsien Chiang, Ming Hsien Li, Hsin Min Cheng, Po Shen Shen, Peter Chen

研究成果: Article同行評審

42 引文 斯高帕斯(Scopus)

摘要

Novel organic-inorganic hybrid perovskite compounds composed of mixed A-site cation (Formamidinium and Cesium) and pseudohalides (SCN and I) ions are successfully synthesized. These new classes of hybrid perovskites photovoltaics exhibited remarkable power conversion efficiency of more than 16% with excellent stability against moisture in ambient environment and under low-light storage condition. The existence of SCN- ion inclusion is confirmed by secondary ion mass spectrometry and Fourier transform infrared spectroscopy. The SCN--doped pseudohalide is advantageous for the formation of large perovskite grains, as well as the performance and stability of the device. (Graph Presented).

原文English
頁(從 - 到)2403-2409
頁數7
期刊ACS Applied Materials and Interfaces
9
發行號3
DOIs
出版狀態Published - 2017 一月 25

All Science Journal Classification (ASJC) codes

  • 材料科學(全部)

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