Time- and Excitation-dependent Photoluminescence Characterisation of CH3NH3PbI3 Perovskite films

Fu, Xiao; Cong, Jin Jin; Shen, Heping; Weber, Klaus; Catchpole, Kylie; White, Thomas

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Time- and Excitation-dependent Photoluminescence Characterisation of CH3NH3PbI3 Perovskite films

Date

2015

Authors

Fu, Xiao

Cong, Jin Jin

Shen, Heping

Weber, Klaus

Catchpole, Kylie

White, Thomas

Publisher

Optical Society of American (OSA)

Abstract

Contrary to reports of light-induced degradation, we observe strong PL increase from perovskite films upon intense laser exposure. We attribute this to thermally-induced defect passivation, possibly along with trap-filling by photoexcited carriers