Light-Induced Self-Poling Effect on Organometal Trihalide Perovskite Solar Cells for Increased Device Efficiency and Stability

Continuous illumination of the organometal trihalide perovskite (OTP) devices can cause the photovoltaic poling effect, termed light‐induced self‐poling (LISP), which improves the stabilized device efficiency significantly. The effect of LISP is comparable to the poling by an externally applied elec...

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Bibliographic Details
Published in:Advanced energy materials 2015-10, Vol.5 (20), p.np-n/a
Main Authors: Deng, Yehao, Xiao, Zhengguo, Huang, Jinsong
Format: Article
Language:English
Subjects:
Deoxidizing
Devices
Electric fields
electromigration
ion conductors
Lisp
LISP (programming language)
Perovskites
Photovoltaic cells
poling
Solar cells
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Summary:Continuous illumination of the organometal trihalide perovskite (OTP) devices can cause the photovoltaic poling effect, termed light‐induced self‐poling (LISP), which improves the stabilized device efficiency significantly. The effect of LISP is comparable to the poling by an externally applied electric field, which can be explained by the redistribution of ions/vacancies within the OTP layers driven by a photovoltage‐induced additional electric field.
ISSN:1614-6832
1614-6840
DOI:10.1002/aenm.201500721