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An Investigation into Electric Field-Modulated Photoluminescence of Perovskite solar cells

Published online by Cambridge University Press:  10 August 2017

Zhihua Xu
Zhihua Xu*
Affiliation:
Department of Chemical Engineering, University of Minnesota Duluth, Duluth, MN 55812, U.S.A.
*
*(Email: xuz@d.umn.edu)
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Abstract

Electric field-modulated photoluminescence (PL) of perovskite solar cells is investigated to gain deeper insight about the role of the mobile ions in organometal halide perovskites. The PL intensity of perovskite solar cells show significant dependence on the polarity of the external electric field and the voltage scanning direction. This phenomenon is discussed in the framework of an ion migration mechanism, which has been widely accounted for the current density-voltage (J-V) hysteresis in perovskite solar cells. The result suggests that the mobile ions not only change the internal electric field of perovskite solar cells, but also have an effect on the recombination of photogenerated charge carriers.

Keywords

photovoltaicphotoemissionthin film
Type
Articles
Information
MRS Advances , Volume 2 , Issue 53: Energy Storage and Conversion , 2017 , pp. 3099 - 3104
Copyright
Copyright © Materials Research Society 2017 

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References

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