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Nonlinear Optical Properties of Colloidal CH 3 NH 3 PbBr 3 and CsPbBr 3 Quantum Dots: A Comparison Study Using Z‐Scan Technique
Author(s) -
Lu WenGao,
Chen Cheng,
Han Dengbao,
Yao Linhua,
Han Junbo,
Zhong Haizheng,
Wang Yongtian
Publication year - 2016
Publication title -
advanced optical materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.89
H-Index - 91
ISSN - 2195-1071
DOI - 10.1002/adom.201600322
Subject(s) - quantum dot , materials science , perovskite (structure) , colloid , halide , photon , absorption (acoustics) , nonlinear optical , nanotechnology , nonlinear system , chemistry , physics , crystallography , optics , quantum mechanics , inorganic chemistry , composite material
The comparison between organic–inorganic CH 3 NH 3 PbBr 3 quantum dots and all inorganic halide perovskite CsPbBr 3 quantum dots allows to understand the structural difference and corresponding optical properties. Using Z‐scan measurements, it is revealed that colloidal CH 3 NH 3 PbBr 3 exhibits enhanced two‐photon absorption properties compared to those of CsPbBr 3 quantum dots due to their structural difference.

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