Nonlinear Optical Properties of Colloidal CH₃NH₃PbBr₃ and CsPbBr₃ Quantum Dots: A Comparison Study Using Z-Scan Technique

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• 作者：Wen-Gao Lu ; Cheng Chen ; Dengbao Han ; Linhua Yao ; Junbo Han ; Haizheng Zhong and Yongtian Wang
• 刊名：Advanced Optical Materials
• 出版年：2016
• 出版时间：November 2016
• 年：2016
• 卷：4
• 期：11
• 页码：1732-1737
• 全文大小：2083K
• ISSN：2195-1071

文摘

The comparison between organic–inorganic CH₃NH₃PbBr₃ quantum dots and all inorganic halide perovskite CsPbBr₃ quantum dots allows to understand the structural difference and corresponding optical properties. Using Z-scan measurements, it is revealed that colloidal CH₃NH₃PbBr₃ exhibits enhanced two-photon absorption properties compared to those of CsPbBr₃ quantum dots due to their structural difference.