A novel bipolar electroluminescent poly(arylene ethynylene) consisting of carbazole and diethynylthiophene units
文献类型:期刊论文
作者 | Zhan, XW; Liu, YQ; Zhu, DB; Jiang, XZ; Jen, AKY |
刊名 | MACROMOLECULAR CHEMISTRY AND PHYSICS
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出版日期 | 2001-08-04 |
卷号 | 202期号:11页码:2341-2345 |
ISSN号 | 1022-1352 |
英文摘要 | A novel bipolar conjugated copolymer poly[(2,5-diethynylthienylene)-alt-co-(9-hexyl-3,6-carbazole)] (PCT) bearing electron-affinitive moiety of 2,5-diethynylthiophene and hole-transport moiety of carbazole was synthesized via a Pd-catalyzed coupling reaction. The polymer possesses a weight average molecular weight of 23 000 with a polydispersity index of 2.5 PCT exhibits good thermal stability with a glass-transition temperature of 103 degreesC and an onset decomposition temperature of 338 degreesC. The HOMO and LUMO energy levels of PCT were determined to be -5.36 and -2.46 eV, respectively, using cyclic voltammetry. Single-layer and multilayer light-emitting diodes emit yellow light (peak at approximate to 580 nm). Double-layer electroluminescent device with the structure of ITO/copper phthalocyanine/PCT/Ca/Ag has an external quantum efficiency of 0.01%, higher than that of three-layer device with the structure of ITO/copper phthalocyanine/PCT/Alq(3)/Al, indicating that the electron injection is the limiting factor for the performance of PCT in polymer light-emitting diodes. |
语种 | 英语 |
WOS记录号 | WOS:000170694400030 |
出版者 | WILEY-V C H VERLAG GMBH |
源URL | [http://ir.iccas.ac.cn/handle/121111/76817] ![]() |
专题 | 中国科学院化学研究所 |
通讯作者 | Liu, YQ |
作者单位 | 1.Chinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China 2.Univ Washington, Dept Mat & Engn, Seattle, WA 98195 USA |
推荐引用方式 GB/T 7714 | Zhan, XW,Liu, YQ,Zhu, DB,et al. A novel bipolar electroluminescent poly(arylene ethynylene) consisting of carbazole and diethynylthiophene units[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2001,202(11):2341-2345. |
APA | Zhan, XW,Liu, YQ,Zhu, DB,Jiang, XZ,&Jen, AKY.(2001).A novel bipolar electroluminescent poly(arylene ethynylene) consisting of carbazole and diethynylthiophene units.MACROMOLECULAR CHEMISTRY AND PHYSICS,202(11),2341-2345. |
MLA | Zhan, XW,et al."A novel bipolar electroluminescent poly(arylene ethynylene) consisting of carbazole and diethynylthiophene units".MACROMOLECULAR CHEMISTRY AND PHYSICS 202.11(2001):2341-2345. |
入库方式: OAI收割
来源:化学研究所
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