The Role of Excitons on Light Amplification in Lead Halide Perovskites

The Role of Excitons on Light Amplification in Lead Halide Perovskites

The role of excitons on the amplifications of lead halide perovskites has been explored. Unlike the photoluminescence, the intensity of amplified spontaneous emission is partially suppressed at low temperature. The detailed analysis and experiments show that the inhibition is attributed to the exist...

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Veröffentlicht in:Advanced materials (Weinheim) 2016-12, Vol.28 (46), p.10165-10169
Hauptverfasser: Lü, Quan, Wei, Haohan, Sun, Wenzhao, Wang, Kaiyang, Gu, Zhiyuan, Li, Jiankai, Liu, Shuai, Xiao, Shumin, Song, Qinghai
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
amplified spontaneous emissions
Construction
exciton binding energy
Excitons
Halides
Inhibition
Perovskites
Photoluminescence
Spontaneous emission
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Zusammenfassung:The role of excitons on the amplifications of lead halide perovskites has been explored. Unlike the photoluminescence, the intensity of amplified spontaneous emission is partially suppressed at low temperature. The detailed analysis and experiments show that the inhibition is attributed to the existence of exciton and a quantitative model has been built to explain the experimental observations.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201603019