Microcavity top-emission perovskite light-emitting diodes

查看全文 作　　者：Yanfeng [1]Miao;Lu [1]Cheng;Wei [1]Zou;Lianghui [1]Gu;Ju [1]Zhang;Qiang [1]Guo;Qiming [1]Peng;Mengmeng [1]Xu;Yarong [1]He;Shuting [1]Zhang;Yu [1]Cao;Renzhi [1]Li;Nana [1]Wang;Wei [1,2]Huang;Jianpu [1]Wang

机构地区：[1]Key Laboratory of Flexible Electronics(KLOFE)&Institute of Advanced Materials(IAM),Nanjing Tech University(NanjingTech),30 South Puzhu Road,Nanjing 211816,China;[2]Frontiers Science Center for Flexible Electronics(FSCFE),Shaanxi Institute of Flexible Electronics(SIFE)&Shaanxi Institute of Biomedical Materials and Engineering(SIBME),Northwestern Polytechnical University(NPU),127 West Youyi Road,Xi’an 710072,China

出　　处：《Light(Science & Applications)》索引2020年第9卷第1期,共6页

基　　金：financially supported by the Major Research Plan of the National Natural Science Foundation of China(91733302);the National Natural Science Foundation of China(11804156,51972171,61935017,61725502,61875084,and 61974066);the National Key Research and Development Program of China(2018YFB0406704);the Natural Science Foundation of Jiangsu Province,China(BK20180085);the Synergetic Innovation Center for Organic Electronics and Information Displays. 摘　　要：Light-emitting diodes(LEDs)based on perovskites show great potential in lighting and display applications.However,although perovskite films with high photoluminescence quantum efficiencies are commonly achieved,the efficiencies of perovskite LEDs are largely limited by the low light out-coupling efficiency.Here,we show that high-efficiency perovskite LEDs with a high external quantum efficiency of 20.2% and an ultrahigh radiant exitance up to 114.9mWcm^(−2) can be achieved by employing the microcavity effect to enhance light extraction.The enhanced microcavity effect and light outcoupling efficiency are confirmed by the study of angle-dependent emission profiles.Our results show that both the optical and electrical properties of the device need to be optimized to achieve high-performance perovskite LEDs. 关键词：DIODES EMITTING light

相关文献

参考文献（33）
引证文献（11）
耦合文献（13）

参考文献(33)

引证文献(11)

耦合文献(13)

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

Microcavity top-emission perovskite light-emitting diodes

参考文献(33)

引证文献(11)

耦合文献(13)

用户提示