维普中文期刊产品整合服务

Defect-modulated synthesis and optoelectronic properties in chemical vapor deposited CsPbBr_(3) microplates

查看全文 作　　者：Yanan [1]Bao;Hengshan [1]Wang;Meiqi [1]An;Huayi [1]Tang;Jing [1,2]Li;Jianliang [1]Li;Conghui [1]Tan;Yingmin [1]Luo;Jiao [1]Xu;Yiming [1]Yang 高影响力作者 机构地区：[1]School of Microelectronics,Dalian University of Technology,Dalian 116024,China;[2]Key Laboratory of Materials Modification by Laser,Ion,and Electron Beams(Ministry of Education),School of Physics,Dalian University of Technology,Dalian 116024,China高影响力机构 出　　处：《Nano Research》索引2024年第17卷第5期,共6页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(Nos.11804042,62004022);the China Postdoctoral Science Foundation(No.2023M730479). 摘　　要：The remarkable optoelectronic features of halide perovskite promote their potential applications in semiconductor devices beyond solar cells,which require high-quality single crystals with controlled defect levels.Herein,we investigated the synthesis mechanism of chemical vapor deposited single-crystalline all-inorganic perovskite microplates(MPs),and reported a defect-modulated photocurrent which is closely related to the growth sequence of the MPs.The MP synthesis initiates from island-like nano-disks,and subsequently transits to a layer-by-layer fashion,resulting in a defect-rich area at the center of the MPs.At elevated temperatures,these central defects may be thermally activated and become highly mobile,leading to photoluminescence quenching and degression of local and overall optoelectronic attributes,as evidenced by the spatial resolved optical and electrical scanning probe microscopy.Overall,this work shines light on the formation,proliferation and dynamics of defects in perovskites,and offers guidance for preparation of high-quality perovskites micro-crystals for functional semiconductor devices with high temperature stability. 关 键 词：halide perovskites NANOMATERIALS OPTOELECTRONICS scanning photocurrent microscope chemical vapor deposition
相关文献

参考文献(48)

耦合文献(4)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费