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聚合物:有机金属卤化物钙钛矿复合发光器件

Light Emitting Devices Based on Polymer: Organometallic Halide Perovskite Composites

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摘要

以聚氧化乙烯为聚合物添加剂, 采用不同比例的甲基溴化铵和溴化铅(Ⅱ)制备了复合材料薄膜, 研究了不同比例对薄膜形貌、结晶性、光物理以及电致发光特性的影响, 并探讨了复合材料中聚合物添加剂种类和含量对其特性的影响。结果表明, 多层结构器件的最大发光效率(6.4 cd·A-1)比单层结构器件的最大发光效率得到了显著提高。

Abstract

With polyethylene oxide as a polymer additive, the composite films are prepared out of the solutions with different ratios of CH3NH3Br and PbBr2 (Ⅱ). The influences of different feeding ratios on the morphology, crystallinity, photophysics and electroluminescence properties of the films are studied. The effects of the species and contents of polymer additives are further investigated. The results show that the multilayer structure devices have the maximum luminance efficiency of 6.4 cd·A-1, much higher than that of the single-layer devices.

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中图分类号:O469

DOI:10.3788/lop56.032301

所属栏目:光学器件

基金项目:国家自然科学基金(61177030, 11474232)

收稿日期:2018-06-27

修改稿日期:2018-07-30

网络出版日期:2018-08-08

作者单位    点击查看

任杰:西南大学物理科学与技术学院, 重庆 400715
吉霞霞:西南大学物理科学与技术学院, 重庆 400715
王琦:西南大学物理科学与技术学院, 重庆 400715
彭雪峰:西南大学物理科学与技术学院, 重庆 400715
杨晓晖:西南大学物理科学与技术学院, 重庆 400715

联系人作者:杨晓晖(xhyang@swu.edu.cn)

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引用该论文

Ren Jie,Ji Xiaxia,Wang Qi,Peng Xuefeng,Yang Xiaohui. Light Emitting Devices Based on Polymer: Organometallic Halide Perovskite Composites[J]. Laser & Optoelectronics Progress, 2019, 56(3): 032301

任杰,吉霞霞,王琦,彭雪峰,杨晓晖. 聚合物:有机金属卤化物钙钛矿复合发光器件[J]. 激光与光电子学进展, 2019, 56(3): 032301

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