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题名: Benzene-cored AIEgens for deep-blue OLEDs: high performance without hole-transporting layers, and unexpected excellent host for orange emission as a side-effect
作者: Zhan, Xuejun1; Wu, Zhongbin2; Lin, Yuxuan1; Xie, Yujun1; Peng, Qian3; Li, Qianqian1; Ma, Dongge2; Li, Zhen1
刊名: CHEMICAL SCIENCE
发表日期: 2016
卷: 7, 期:7, 页:4355-4363
收录类别: SCI
英文摘要: Great efforts have been devoted to explore efficient fluorescent materials, especially deep-blue luminogens, for organic light emitting diodes (OLEDs). In this paper, according to the design idea of creating luminogens with the characteristic of aggregation induced emission (AIE), four new benzene-cored luminogens with very simple structure have been intelligently designed, in which, without an additional hole-transporting layer (such as NPB), 3TPA-CN exhibited deep-blue emission and high performance in a simple nondoped LED device with a current efficiency (CE) of 5.21 cd A(-1), external quantum efficiency (EQE) of 3.89%, and CIE coordinates of (0.15, 0.14). Excitingly, as a wonderful side-effect, 3TPA-CN can serve as an excellent host for orange emissive phosphorescent OLEDs (PhOLEDs), with a maximum current and power efficiency of 57.4 cd A(-1) and 52.0 lm W-1, respectively, and a corresponding maximum EQE of 18.2%, higher than that of CBP (15.7%), one popular host for orange PhOLEDs, under the same conditions, thus broadening the utilization of AIEgens as host in PhOLEDs.
语种: 英语
内容类型: 期刊论文
URI标识: http://ir.iccas.ac.cn/handle/121111/35559
Appears in Collections:有机固体实验室_期刊论文

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作者单位: 1.Wuhan Univ, Dept Chem, Hubei Key Lab Organ & Polymer Optoelect Mat, Wuhan 430072, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, Changchun 130022, Peoples R China
3.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
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