稀土离子掺杂钙钛矿纳米材料的光学性质及光电应用研究  

Optical properties and optoelectronic applications of rare earth ion-doped perovskite nanomaterials

作　　者：徐珂 罗彬彬 陈昆峰 薛冬峰 XU Ke;LUO Binbin;CHEN Kunfeng;XUE Dongfeng(Multiscale Crystal Materials Research Center,Institute of Advanced Materials Science and Engineering,Shenzhen Institute of Advanced Technology,Chinese Academy of Sciences,Shenzhen 518055,Guangdong,China;College of Chemistry and Chemical Engineering,Shantou University,Shantou 515063,Guangdong,China;Institute of Novel Semiconductors State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100,China)

机构地区：[1]中国科学院深圳先进技术研究院先进材料科学与工程研究所多尺度晶体材料研究中心,广东深圳518055 [2]汕头大学化学化工学院,广东汕头515063 [3]山东大学新一代半导体材料研究院晶体材料国家重点实验室,济南250100

出　　处：《应用技术学报》2023年第1期20-31,共12页Journal of Technology

基　　金：国家自然科学基金青年科学基金项目(52203343);国家自然科学基金重点项目(51832007);国家自然科学基金国际(地区)合作与交流项目(52220105010);国家自然科学基金中德科学中心2021年度中德合作交流项目(M-0755);中国博士后科学基金(2021M703364、2022T150678);广东省基础与应用基础研究基金自然科学基金面上项目(2023A1515010052、2022A1515011997);深圳市科技计划(20210607151625001);山东省自然科学基金重大基础研究项目(ZR2020ZD35);山东省产业技术研究院研发项目(Z1250020005)资助。

摘　　要：金属卤化物钙钛矿材料具备可调的可见光谱区带隙、良好的载流子传输性能、长的电荷扩散长度、弱激子结合能、高吸收系数、高光电转化效率、高缺陷容忍度、良好的催化性能和简单的制备工艺等一系列独特的理化性质,使其在多种新兴光电技术领域备受关注。稀土离子具有丰富的4f能级跃迁效应,有望促使钙钛矿纳米材料的吸收、激发和发射,从而表现出范围宽且内涵丰富的量子行为和光电特性。面向实际光电应用的需求,稀土离子掺杂的钙钛矿纳米材料能够显著提升钙钛矿纳米材料的光电性质,解决钙钛矿纳米材料难以直接在近红外光区的应用,改善环境稳定性和含铅毒性的不足。总结了稀土离子掺杂钙钛矿纳米材料的结构性质、制备工艺、光学性质、稳定性及在光电领域应用的研究进展,并对其在新型光电技术领域的发展前景进行了展望。Metal halide perovskite materials have attracted much attention in various emerging optoelectronic technology fields because of a series of unique physical and chemical properties such as tunable band gap in the visible spectrum,good carrier transmission performance,long charge diffusion length,weak exciton binding energy,high absorption coefficient,high photoelectric conversion efficiency,high defect tolerance,good catalytic performance and simple preparation process.Rare earth ions have rich 4f energy level transition effects,which are expected to promote the absorption,excitation and emission of perovskite nanomaterials,thus showing a wide range of quantum behavior and photoelectric properties with rich content.In light of the needs of practical photoelectric applications,rare earth ion-doped perovskite nanomaterials can significantly improve the photoelectric properties of perovskite nanomaterials,solve the problems of direct application of perovskite nanomaterials in the near-infrared region and improve environmental stability and lead toxicity.The research progress on the structural properties,preparation process,optical properties,stability and application of rare earth ion-doped perovskite nanomaterials for optoelectronic applications were summarized,and their development prospects in the field of new optoelectronic technologies were proposed.

关 键 词：钙钛矿 稀土掺杂 纳米材料 光学性质 光电应用 

分 类 号：O734[理学—晶体学]