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Issue 15, 2015
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Dynamic interface charge governing the current–voltage hysteresis in perovskite solar cells

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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.

Graphical abstract: Dynamic interface charge governing the current–voltage hysteresis in perovskite solar cells

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Publication details

The article was received on 23 Jan 2015, accepted on 03 Mar 2015 and first published on 05 Mar 2015


Article type: Communication
DOI: 10.1039/C5CP00416K
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Phys. Chem. Chem. Phys., 2015,17, 9613-9618

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

    H. Zhang, C. Liang, Y. Zhao, M. Sun, H. Liu, J. Liang, D. Li, F. Zhang and Z. He, Phys. Chem. Chem. Phys., 2015, 17, 9613
    DOI: 10.1039/C5CP00416K

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