溶液空间限域法制备有机-无机杂化卤化铅钙钛矿单晶薄膜及其器件应用研究进展  

Research Progress on Preparation of Organic-Inorganic Hybrid Lead Halide Perovskite Single-Crystalline Thin-Films by Solution-Processed Space-Confined Method and Their Device Applications

作　　者：张庆文 单东明 张虎 丁然[1] ZHANG Qingwen;SHAN Dongming;ZHANG Hu;DING Ran(State Key Laboratory of Integrated Optoelectronics,College of Electronic Science and Engineering,Jilin University,Changchun 130012,China)

机构地区：[1]吉林大学电子科学与工程学院,集成光电子学国家重点实验室,长春130012

出　　处：《人工晶体学报》2024年第4期572-584,共13页Journal of Synthetic Crystals

基　　金：国家重点研发计划青年科学家项目(2022YFB3607500);国家自然科学基金(62274076)。

摘　　要：近年来,有机-无机杂化卤化铅钙钛矿材料因其出色的光电特性在国际上备受瞩目,并已成功应用于太阳能光伏、光电探测、电致发光等多个领域。目前绝大部分器件研究都集中在钙钛矿多晶材料上,但钙钛矿单晶材料拥有更低的缺陷态密度、更高的载流子迁移率、更长的载流子复合寿命、更宽的光吸收范围,以及更高的稳定性等优异的性质,可有效减少载流子传输过程中的散射损失,以及在晶界处的非辐射复合,并抑制离子迁移所引起的迟滞效应。采用钙钛矿单晶薄膜作为器件有源层有望制备性能更高效且更稳定的钙钛矿光电器件。目前,已报道的多种钙钛矿单晶薄膜制备方法包括溶液空间限域法、化学气相沉积法、自上而下加工法等,其中溶液空间限域法的发展和应用最为广泛。本文聚焦利用溶液空间限域法制备高质量钙钛矿单晶薄膜的相关方法,以及钙钛矿单晶薄膜在光电探测器、太阳能电池、场效应晶体管和发光二极管等相关器件应用中的研究进展,并对钙钛矿单晶薄膜及其光电器件的未来发展趋势进行了展望。In recent years,organic-inorganic hybrid lead halide perovskite materials have attracted much attention in the world because of their excellent photoelectric properties,and have been successfully applied in many fields such as solar photovoltaic,photoelectric detection,electroluminescence and so on.At present,most of the device research focuses on perovskite polycrystalline materials,but perovskite single crystal materials have excellent properties such as lower defect state density,higher carrier mobility,longer carrier recombination lifetime,wider light absorption range and higher stability,which can effectively reduce the scattering loss during carrier transport and non-radiative recombination at the grain boundary,and inhibit the hysteresis effect caused by ion migration.Using perovskite single crystal thin film as the active layer of the device is expected to produce more efficient and stable perovskite photoelectric devices.At present,many preparation methods of perovskite single crystal films have been reported,mainly including solution-processed space-confined method,chemical vapor deposition method,top-down processing method,etc.Among them,solution-processed space-confined method is the most widely developed and applied.This paper focuses on the preparation of high-quality perovskite single crystal thin films by solution-processed space-confined method,and the research progress of perovskite single crystal thin films in photodetectors,solar cells,field effect transistors,light-emitting diodes and other related devices,and prospects the future development trend of perovskite single crystal thin films and photoelectric devices.

关 键 词：钙钛矿半导体材料 溶液空间限域法 钙钛矿单晶薄膜 光电子器件 单晶薄膜生长 

分 类 号：O78[理学—晶体学] O484[电子电信—物理电子学] TN36