Photon-induced deactivations of multiple traps in CH3NH3PbI3 perovskite films by different photon energies

Photon-induced trap deactivation is commonly observed in organometal halide perovskites. Trap deactivation is characterized by an obvious photoluminescence (PL) enhancement. In this work, the properties of traps in CH3NH3PbI3 perovskite films were studied based on the PL enhancement excited by laser...

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Veröffentlicht in:	Physical chemistry chemical physics : PCCP 2021-01, Vol.23 (18), p.10919-10925
Hauptverfasser:	Herawati, Asmida, Hui-Ching, Lin, Chan, Shun-Hsiang, Ming-Chung, Wu, Tsong-Shin, Lim, est Shih-Sen Chien
Format:	Artikel
Sprache:	eng
Schlagworte:	Conduction bands Deactivation Electron traps Energy levels Flux density Lasers Perovskites Photoluminescence Photons Radiative recombination Wavelengths
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