Dynamic interface charge governing the current-voltage hysteresis in perovskite solar cells

Physical Chemistry Chemical Physics : PCCP
Huimin ZhangZhiqun He

Abstract

The accumulation of mobile ions causes space charge at interfaces in perovskite solar cells. There is a slow dynamic process of ion redistribution when the bias is changed. The interface charge affects band bending and thus the photocurrent of the solar cells. Consequently the dynamic process of the interface charge governs the current-voltage hysteresis. Very low interface charge density leads to hysteresis-free devices.

References

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Citations

Jan 27, 2016·ACS Applied Materials & Interfaces·Insung Hwang, Kijung Yong
Dec 1, 2015·ACS Applied Materials & Interfaces·Insung HwangKijung Yong
Feb 18, 2016·The Journal of Physical Chemistry Letters·Bo ChenKai Zhu
Mar 2, 2016·The Journal of Physical Chemistry Letters·Adharsh RajagopalAlex K-Y Jen
Nov 10, 2015·The Journal of Physical Chemistry Letters·Bo ChenShashank Priya
Nov 4, 2016·The Journal of Physical Chemistry Letters·Nasim MohammadianRaheleh Mohammadpour
Jun 6, 2018·Physical Chemistry Chemical Physics : PCCP·Xin LiHong Lin
Nov 21, 2017·Advanced Materials·Felix LangNorbert H Nickel
Oct 13, 2020·Advanced Science·Yongtao LiuOlga S Ovchinnikova
Dec 22, 2020·Advanced Science·Shaowen CuiYongbo Yuan

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