Two-Photon Lasers: Perovskite CsPb₂Br₅ Microplate Laser with Enhanced Stability and Tunable Properties (Advanced Optical Materials 3/2017)

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• 作者：Xiaosheng Tang ; Zhiping Hu ; Wei Yuan ; Wei Hu ; Haibing Shao ; Dongjia Han ; Junfeng Zheng ; Jiongyue Hao ; Zhigang Zang ; Juan Du ; Yuxin Leng ; Liang Fang and Miao Zhou
• 刊名：Advanced Optical Materials
• 出版年：2017
• 出版时间：February 2, 2017
• 年：2017
• 卷：5
• 期：3
• 全文大小：2947K
• ISSN：2195-1071

文摘

A novel all-inorganic perovskite CsPb₂Br₅ microplate with superior crystallinity, enhanced stability, and tunable optical properties is reported by combining experimental and theoretical studies. The microplate developed in article number 1600788 by Juan Du, Miao Zhou, and co-workers exhibits surprisingly low-threshold amplified spontaneous emission under both one- and two-photon excitation, which is related to its unique spatially distinguished valence/conduction band edge states originating from the intrinsic sandwiched structure.