中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Fluorene- and Benzimidazole-Based Blue Light-Emitting Copolymers: Synthesis, Photophysical Properties, and PLED Applications

文献类型:期刊论文

作者Zhu, Haifeng1; Tong, Hui2; Gong, Yongyang1; Shao, Shiyang2; Deng, Chunmei3; Yuan, Wang Zhang1; Zhang, Yongming1
刊名JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
出版日期2012-06-01
卷号50期号:11页码:2172-2181
关键词Benzimidazole Conjugated Polymers Copolymerization Light-emitting Diodes (Led)
ISSN号0887-624X
DOI10.1002/pola.25984
英文摘要Blue light-emitting materials are receiving considerable academic and industrial interest due to their potential applications in optoelectronic devices. In this study, blue light-emitting copolymers based on 9,9'-dioctylfluorene and 2,2'-(1,4-phenylene)-bis(benzimidazole) moieties were synthesized through palladium-catalyzed Suzuki coupling reaction. While the copolymer consisting of unsubstituted benzimidazoles (PFBI0) is insoluble in common organic solvents, its counterpart with N-octyl substituted benzimidazoles (PFBI8) enjoys good solubility in toluene, tetrahydrofuran, dichloromethane (DCM), and chloroform. The PFBI8 copolymer shows good thermal stability, whose glass transition temperature and onset decomposition temperature are 103 and 428 degrees C, respectively. Its solutions emit blue light efficiently, with the quantum yield up to 99% in chloroform. The electroluminescence (EL) device of PFBI8 with the configuration of indium-tin oxide/poly(ethylenedioxythiophene):poly( styrene sulfonic acid)/PFBI8/1,3,5-tris(1-phenyl-1H-benzimidazole-2-yl) benzene/LiF/Al emits blue light with the maximum at 448 nm. Such unoptimized polymer light-emitting diode (PLED) exhibits a maximum luminance of 1534 cd/m(2) with the current efficiency and power efficiency of 0.67 cd/A and 0.20 lm/W, respectively. The efficient blue emission and good EL performance make PFBI8 promising for optoelectronic applications. (C) 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 50: 2172-2181, 2012
语种英语
WOS记录号WOS:000303756100009
出版者WILEY-BLACKWELL
源URL[http://ir.iccas.ac.cn/handle/121111/48295]  
专题中国科学院化学研究所
通讯作者Zhang, Yongming
作者单位1.Shanghai Jiao Tong Univ, Sch Chem & Chem Engn, Shanghai 200240, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
3.Chinese Chem Soc, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Zhu, Haifeng,Tong, Hui,Gong, Yongyang,et al. Fluorene- and Benzimidazole-Based Blue Light-Emitting Copolymers: Synthesis, Photophysical Properties, and PLED Applications[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2012,50(11):2172-2181.
APA Zhu, Haifeng.,Tong, Hui.,Gong, Yongyang.,Shao, Shiyang.,Deng, Chunmei.,...&Zhang, Yongming.(2012).Fluorene- and Benzimidazole-Based Blue Light-Emitting Copolymers: Synthesis, Photophysical Properties, and PLED Applications.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,50(11),2172-2181.
MLA Zhu, Haifeng,et al."Fluorene- and Benzimidazole-Based Blue Light-Emitting Copolymers: Synthesis, Photophysical Properties, and PLED Applications".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 50.11(2012):2172-2181.

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来源:化学研究所

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