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Improved optical and electrical properties of formamidinium lead iodide perovskite films on ZnO nanorods with polyvinylpyrrolidone aditive

Kojima et al.[1] published their findings of an easy-to-synthesize organometal lead perovskite material for use in photovoltaic devices. One of the ongoing issues of the material is the instability of the perovskite thin film in ambient environment.[2] In this work we investigate the role of polyvinylpirrolidone on the stability of FAPbI3 perovskite thin film on glass and ZnO nanorods in the ambient environment as well as its impact on optical and electrical properties. [1] A. Kojima, K. Teshima, Y. Shirai, T. Miyasaka, J. Am. Chem. Soc. 2009, 131, 6050– 6051. [2] G. Niu, X. Guo, L. Wang, J. Mater. Chem. A 2015, 3, 8970–8980.

organometal perovskite, stabilization, ZnO nanorods, optical properties, electrical properties

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