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Bipolar Copolymers Comprised Mesogen-Jacketed Polymer Containing Oxadiazole Units and PVK as Host Materials for Electroluminescent Devices
Wang, Ping; Jin, Hao; Liu, Wanli; Chai, Chunpeng; Shen, Zhihao; Guo, Haiqing; Chen, Xiaofang; Fan, Xinghe; Zou, Dechun; Zhou, Qifeng
2008-12-01
Source PublicationJOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY
ISSN0887-624X
Volume46Issue:23Pages:7861-7867
AbstractNonconjugated bipolar transport polymers have been developed as host materials for electroluminescent devices by incorporating both electron-tran sporting and hole-tran sporting functionalities into copolymers. The random copolymer PCt-nvk3-7 containing mesogen-jacketed segment of P-Ct have been synthesized and characterized. The effect of mesogen-jacketed segment content of these bipolar copolymers on device performance has been investigated. The results of polymer light-emitting diodes (PLEDs) show that the jacketed content of copolymers has a significant effect on device performance: lowering charge transport and facilitating the hole-electron recombination leads to much higher current efficiency. Applying these high triplet random copolymers as host, the maximum current efficiency of 0.70 cd/A and the maximum brightness of 1872.8 cd/m(2) was achieved for PCt-nvk3-7 with an orange-emitting complex dopant. The results suggest that the bipolar copolymers PCt-nvks can be good host polymers for electrophosphorescent devices. (C) 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 7861-7867, 2008
KeywordLight-emitting Diodes (Led) Liquid-crystalline Polymers (Lcp) Luminescence
DOI10.1002/pola.23092
Indexed BySCI
Language英语
WOS IDWOS:000261582400023
PublisherJOHN WILEY & SONS INC
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/65668
Collection中国科学院化学研究所
Corresponding AuthorFan, Xinghe
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, Key Lab Polymer Chem & Phys, Minist Educ,Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Wang, Ping,Jin, Hao,Liu, Wanli,et al. Bipolar Copolymers Comprised Mesogen-Jacketed Polymer Containing Oxadiazole Units and PVK as Host Materials for Electroluminescent Devices[J]. JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,2008,46(23):7861-7867.
APA Wang, Ping.,Jin, Hao.,Liu, Wanli.,Chai, Chunpeng.,Shen, Zhihao.,...&Zhou, Qifeng.(2008).Bipolar Copolymers Comprised Mesogen-Jacketed Polymer Containing Oxadiazole Units and PVK as Host Materials for Electroluminescent Devices.JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY,46(23),7861-7867.
MLA Wang, Ping,et al."Bipolar Copolymers Comprised Mesogen-Jacketed Polymer Containing Oxadiazole Units and PVK as Host Materials for Electroluminescent Devices".JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY 46.23(2008):7861-7867.
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