二维钙钛矿材料CsPbBr3中暗激子的磁场调控特性研究

作     者：石钟太 Shoaib Muhammad 邓龙江 刘镇 毕磊 张林博 张丽 周佩珩 陈海燕 陆海鹏 谢建良 李东 潘安练 彭波 Zhongtai Shi;Shoaib Muhammad;Longjiang Deng;Zhen Liu;Lei Bi;Linbo Zhang;Li Zhang;Peiheng Zhou;Haiyan Chen;Haipeng Lu;Jianliang Xie;Dong Li;Anlian Pan;Bo Peng

作者机构：National Engineering Research Center of Electromagnetic Radiation Control MaterialsSchool of Electronic Science and EngineeringUniversity of Electronic Science and Technology of ChinaChengdu 611731China Key Laboratory for Micro-Nano Physics and Technology of Hunan ProvinceState Key Laboratory of Chemo/Biosensing and ChemometriscsCollege of Materials Science and EngineeringHunan UniversityChangsha 410082China State Key Laboratory of Electronic Thin Films and Integrated DevicesUniversity of Electronic Science and Technology of ChinaChengdu 610054China Key Laboratory of Multi-Spectral Absorbing Materials and Structures of Ministry of EducationUniversity of Electronic Science and Technology of ChinaChengdu 610054China 

出 版 物：《Science China Materials》 (中国科学（材料科学（英文版）)

年 卷 期：2020年第63卷第8期

页      面：1503-1509页

核心收录：

学科分类：07[理学] 070205[理学-凝聚态物理] 08[工学] 080501[工学-材料物理与化学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0702[理学-物理学] 

基　　金：supported by the National Natural Science Foundation of China(51602040,51872039,51525202 and 51902098) the Science and Technology Program of Sichuan(M112018JY0025) Scientific Research Foundation for New Teachers of UESTC(A03013023601007) the Ministry of Science and Technology of China(MOST,2016YFA0300802) 

主　　题：perovskite materials CsPbBr3 dark exciton magnetic field brightening 

摘      要：二维钙钛矿材料作为21世纪最热门的材料之一,其优异的光电特性使其在太阳能电池、激光器等方面具有巨大的应用潜力.二维无机钙钛矿结构CsPbX3(X=Cl,Br,I)的激子性质对其光电特性具有决定性的作用.本工作针对CsPbBr3中的暗激子进行了详细的研究,通过施加面外磁场,实现了对CsPbBr3中暗态激子的激活并发现暗态激子的荧光强度随磁场增加而呈现线性增强.本工作揭示了CsPbBr3暗激子的磁场调控行为和内在物理机制,对深入理解其光电特性具有重要的科学意义.