Superlinear emission in bare perovskite: amplified spontaneous emission in disordered film versus single crystal lasing

被引：1
|
作者：
Biccari, F. [1 ]
Gabelloni, F. [1 ]
Francioni, C. [1 ]
La China, F. [1 ]
Caselli, N. [1 ]
Intonti, F. [1 ]
Gurioli, M. [1 ]
Lee, J. [2 ]
Leblebici, S. [2 ]
Weber-Bargioni, A. [2 ]
Vinattieri, A. [1 ]
机构：
[1] Univ Florence, LENS, Dept Phys & Astron, I-50019 Sesto Fiorentino, Italy
[2] Lawrence Berkeley Natl Lab, Mol Foundry, Berkeley, CA USA
来源：
MATERIALS TODAY-PROCEEDINGS | 2017年 / 4卷
关键词：
perovskites; microphotoluminescence; near field spectroscopuy; lasing; SOLAR-CELLS; HALIDE PEROVSKITES; LIGHT;
D O I：
10.1016/j.matpr.2017.05.005
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present an experimental study concerning the superlinear emission in organic-inorganic halide perovskites. Microphotoluminescence experiments under CW and picosecond excitation condition at low temperature and near field optical photoluminescence spectra at room temperature provide clear evidence of the very different origin of the superlinear regime in disordered films and microplates/microwires. Insights on the origin of modal structures of the emission spectra in the high excitation regime will be given by polarization-resolved photoluminescence experiments. (C) 2017 Elsevier Ltd.
引用
收藏
页码：S12 / S18
页数：7
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