红外与激光工程, 2020, 49 (12): 20201063, 网络出版: 2021-01-14   

二维有机-无机杂化钙钛矿非线性光学研究进展(特邀) 下载: 886次

Recent progress in nonlinear optics of 2D organic-inorganic hybrid perovskites (Invited
作者单位
南开大学 材料科学与工程学院,天津 300350
摘要
自从钙钛矿材料问世以来,有机-无机杂化钙钛矿材料在近数十年的时间得到了蓬勃发展。二维(2D)有机-无机杂化钙钛矿是由典型的无机八面体框架以及不同的有机阳离子构成,其具有本征的量子阱结构和有趣的光电特性,也因此在发光、传感器、调谐、光伏体系以及通讯设备等领域引起了人们的密切关注。低成本、可溶液法制备、以及可替换的有机阳离子等特性使二维杂化钙钛矿在光学和光子应用中具有灵活的层间距,层数和可变的晶格扭曲,从而实现可调节的框架以及在光学和光子学应用中的高调节度。尤其地,它们也表现出突出的二阶、三阶和高阶非线性光学特性,例如在激光脉冲激发下的二次谐波产生(SHG)、太赫兹 、双光子吸收(2PA)和饱和吸收(SA)和三光子吸收(3PA)等。讨论了具有不同结构特点的二维杂化钙钛矿的构建,并重点介绍了这些二维杂化钙钛矿在线性和非线性光学领域地特性和应用。最后,对二维杂化钙钛矿的研究现状进行了评估,并对其未来发展进行了展望。
Abstract
Since the advent of perovskite materials, the numerous organic-inorganic hybrid perovskites have thrived vigorously over the decades. Two-dimensional (2D) organic-inorganic hybrid perovskites containing prototypical inorganic octahedron frames and diverse organic cations feature characteristics of intrinsic quantum-well structures and intriguing optoelectronic properties, and have therefore attracted research attention intensively for their optical applications in light emitting, sensing, modulation, photovoltaic cells and telecommunication devices. The low-cost and solution-processed fabrications as well as the alternative organic spacer cations endue 2D hybrid perovskites with flexible layer distances, number of layers, and variable lattice distortion, leading to effectuate the adjustable frameworks as well as higher tunability in optical and photonic applications. In particular, they also demonstrate distinguished and appealing nonlinear optical (NLO) characters whether in the second-order, third-order NLOs or the higher-order NLOs such as second-harmonic generation (SHG), terahertz generation, two-photon absorption (2PA), and saturable absorption (SA), three-photon absorption (3PA), etc., under the excitation of laser pulses. Here, we discuss on the construction of the various 2D hybrid perovskites with different structural features. Furthermore, some representative properties and applications of these 2D hybrid perovskites are discussed in both linear and nonlinear optical regimes. Lastly, the status quo and challenge of 2D hybrid perovskites are elevated, and the future developments of 2D hybrid perovskites is prospected.

郑昀颢, 韩笑, 徐加良. 二维有机-无机杂化钙钛矿非线性光学研究进展(特邀)[J]. 红外与激光工程, 2020, 49(12): 20201063. Yunhao Zheng, Xiao Han, Jialiang Xu. Recent progress in nonlinear optics of 2D organic-inorganic hybrid perovskites (Invited)[J]. Infrared and Laser Engineering, 2020, 49(12): 20201063.

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