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Temperature dependent threshold for amplified emission from hybrid lead perovskite films

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arxiv 1912.12865 v1 pith:B5GYYC2U submitted 2019-12-30 physics.app-ph cond-mat.mtrl-sci

Temperature dependent threshold for amplified emission from hybrid lead perovskite films

classification physics.app-ph cond-mat.mtrl-sci
keywords filmshybridperovskitetemperatureamplificationemissionopticalamplified
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The optical amplification emission of hybrid lead perovskite attracted great research interests. We systematically examined and compared temperature dependent optical amplification behavior of a series of organic-inorganic hybrid perovskite films of (MA/FA)Pb(Br/I)3. The optical amplification threshold of the films showed considerable exponential increase towards the temperature increasing. We figured out that the critical temperature for the four films presented a sequence of FA+I < MA+I < FA+Br < MA+Br. Our systematical study is crucial for in depth understanding the fundamental mechanism of amplified emission of hybrid perovskite materials.

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