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Photonics 2015, 2(4), 1139-1151; doi:10.3390/photonics2041139

Stability Issues on Perovskite Solar Cells

School of Chemical Engineering, Sungkyunkwan University, Suwon 440-746, Korea
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Received: 3 November 2015 / Revised: 24 November 2015 / Accepted: 25 November 2015 / Published: 27 November 2015
(This article belongs to the Special Issue Perovskite Photovoltaic and Optoelectronics)
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Abstract

Organo lead halide perovskite materials like methylammonium lead iodide (CH3NH3PbI3) and formamidinium lead iodide (HC(NH2)2PbI3) show superb opto-electronic properties. Based on these perovskite light absorbers, power conversion efficiencies of the perovskite solar cells employing hole transporting layers have increased from 9.7% to 20.1% within just three years. Thus, it is apparent that perovskite solar cell is a promising next generation photovoltaic technology. However, the unstable nature of perovskite was observed when exposing it to continuous illumination, moisture and high temperature, impeding the commercial development in the long run and thus becoming the main issue that needs to be solved urgently. Here, we discuss the factors affecting instability of perovskite and give some perspectives about further enhancement of stability of perovskite solar cell. View Full-Text
Keywords: perovskite solar cell; organo lead halide; methylammonium; formamidinium; stability; moisture; degradation; CH3NH3PbI3; HC(NH2)2PbI3 perovskite solar cell; organo lead halide; methylammonium; formamidinium; stability; moisture; degradation; CH3NH3PbI3; HC(NH2)2PbI3
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Zhao, X.; Park, N.-G. Stability Issues on Perovskite Solar Cells. Photonics 2015, 2, 1139-1151.

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