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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：中科院上海硅酸盐研究所
学位：博士
所在单位：物理学院
学科：微电子学与固体电子学. 凝聚态物理
办公地点：大连理工大学科技园C座301-1办公室
联系方式：E-mail:jmbian@dlut.edu.cn.
电子邮箱：jmbian@dlut.edu.cn
Cs-0.(05)(FA(0).(85)MA(0).(15))(0).Pb-95(I-0.Br-85(0).(15))(3) based flexible perovskite light-emitting devices with excellent mechanical bending durability
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论文类型：期刊论文
发表时间：2019-05-16
发表刊物：CHEMICAL PHYSICS LETTERS
收录刊物：SCIE、EI
卷号：723
页面范围：33-38
ISSN号：0009-2614
关键字：Flexible; Bending performance; Perovskite light-emitting devices; Electrochemical impedance spectroscopy
摘要：Flexible perovskite light-emitting devices (Pe-LED) based on Cs-0.(05)(FA(0).(85)MA(0).(15))(0).Pb-95(I-0.Br-85(0).(15))(3 ) perovskite light emitting layer were synthesized on ITO/PEN substrate, where the low-temperature solution-processed amorphous SnOx as electron injection layer. A dominant infrared electroluminescence was detected from the flexible Pe-LEDs, well agreement with the photoluminescence spectra. Notably, the Pe-LEDs exhibit excellent mechanical bending durability, confirmed by the almost negligible degradation in EL performance compared with the fresh device even after 2000 harsh bending cycles. The mechanism for the outstanding bending resistance was interpreted by electrochemical impedance spectroscopy analysis. Given the multiple advantages of flexible devices, current achievements will definitely expand application of Pe-LEDs. .