Temperature-Dependent Bias Poling and Hysteresis in Planar Organo-Metal Halide Perovskite Photovoltaic Cells

Yunlong Zou; Russell J. Holmes

doi:10.1002/aenm.201501994

Temperature-Dependent Bias Poling and Hysteresis in Planar Organo-Metal Halide Perovskite Photovoltaic Cells

Yunlong Zou, Russell J. Holmes

Chemical Engineering and Materials Science

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

The efficiency of perovskite photovoltaic cells is greatly impacted by the anomalous hysteresis effect. It is found that by applying a forward bias prior to testing, device efficiency (η_p) can be significantly improved. This bias poling effect can be stabilized at temperatures ≤250 K. As a result, hysteresis free operation of a planar perovskite photovoltaic cell is achieved at 170 K with η_p of 19%.

Original language	English (US)
Article number	1501994
Journal	Advanced Energy Materials
Volume	6
Issue number	7
DOIs	https://doi.org/10.1002/aenm.201501994
State	Published - Apr 6 2016

Bibliographical note

Funding Information:
This work was supported by the National Science Foundation (NSF) MRSEC Program under Award No. DMR-0819885 and through the NSF PREM Program under Award No. DMR-0934157. Support was also received from the University of Minnesota Initiative for Renewable Energy and the Environment. Y.Z. acknowledges support from a University of Minnesota Doctoral Dissertation Fellowship.

Publisher Copyright:
© 2016 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim.

Keywords

bias poling
hysteresis
perovskite photovoltaic cells
self-doping
solar cells

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abstract = "The efficiency of perovskite photovoltaic cells is greatly impacted by the anomalous hysteresis effect. It is found that by applying a forward bias prior to testing, device efficiency (ηp) can be significantly improved. This bias poling effect can be stabilized at temperatures ≤250 K. As a result, hysteresis free operation of a planar perovskite photovoltaic cell is achieved at 170 K with ηp of 19%.",

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N2 - The efficiency of perovskite photovoltaic cells is greatly impacted by the anomalous hysteresis effect. It is found that by applying a forward bias prior to testing, device efficiency (ηp) can be significantly improved. This bias poling effect can be stabilized at temperatures ≤250 K. As a result, hysteresis free operation of a planar perovskite photovoltaic cell is achieved at 170 K with ηp of 19%.

AB - The efficiency of perovskite photovoltaic cells is greatly impacted by the anomalous hysteresis effect. It is found that by applying a forward bias prior to testing, device efficiency (ηp) can be significantly improved. This bias poling effect can be stabilized at temperatures ≤250 K. As a result, hysteresis free operation of a planar perovskite photovoltaic cell is achieved at 170 K with ηp of 19%.

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Temperature-Dependent Bias Poling and Hysteresis in Planar Organo-Metal Halide Perovskite Photovoltaic Cells

Abstract

Bibliographical note

Keywords

UN SDGs

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