期刊
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
卷 8, 期 13, 页码 3106-3114出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.7b00975
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- King Abdulaziz City for Science and Technology (KACST)
Metal halide perovskites are promising candidates for many classes of different optoelectronic devices. Apart from being a semiconductor, they additionally show ionic conductivity. It expresses itself in slow response times, reversible degradation, and hysteresis in the current voltage characteristics of solar cells. This Perspective gives a condensed overview about experiments and theory on ion migration in metal halide perovskites focusing on its effects in solar cells. Apart from being a potential stability concern for photovoltaics, ion migration paired with the excellent optoelectronic properties of this material offers opportunities for novel devices such as optically controlled memristors and switchable diodes.
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