Carbazole-modified blue light-emitting copolymers with the backbones integrated by diphenyloxadiazole, fluorene, and triphenylamine
文献类型：期刊论文
| 作者 | Lin, Ying1; Chen, Yu1; Ye, Tengling2; Ma, Dongge2; Li, Yongxi1 |
| 刊名 | EUROPEAN POLYMER JOURNAL
 |
| 出版日期 | 2012-02-01 |
| 卷号 | 48期号:2页码:416-424 |
| 关键词 | Blue Light-emitting Polymers Carbazole Diphenyloxadiazole Fluorene Triphenylamine |
| ISSN号 | 0014-3057 |
| DOI | 10.1016/j.eurpolymj.2011.12.004 |
| 英文摘要 | Two new blue light-emitting polymers, poly{[2,5-bis(4-phenylene)-1,3,4-oxadiazole]-[9,9-dihexylfluorene-2,7-diyl]-[N-(4-(9H-carbazol-9-yl)phenyl)-N,N-bis(p-phenylene)aniline]) (POFPA) and poly{[2,5-bis(4-phenylene)-1,3,4-oxadiazole]-[9,9-dihexylfluorene-2,7-diyl] -[4-(3,6-(di-9H-carbazol-9-yl)-9H-carbazol-9-yl)-N,N-bis(p-phenylene)-aniline]} (POFCPA), were synthesized by Suzuki coupling reactions. By GPC analysis against a linear polystyrene standard POFPA and POFCPA were found to have M-n of 1.68 x 10(4) and 3.70 x 10(3), respectively. In contrast to POFPA, the main absorption peak of POFCPA in dilute toluene solution was blue-shifted by Delta lambda = 26 nm owing to its backbone of relatively shorter pi-conjugation length and more carbazole units in side chain. The absolute fluorescence quantum yield (Phi(f)) of POFCPA in dilute toluene solution was determined as 73%, much higher than that of POFPA (Phi(f) approximate to 58.9%) measured under the same conditions. An electroluminescence device based on POFCPA displays a stable blue emission having color coordinates of (0.15, 0.20), a maximum brightness of 4762 cd/m(2), and a maximum current efficiency of 1.79 cd/A. By using this polymer as the host material doped with 1 wt.% 4,4 '-bis[2-(4-(N,N-diphenylamino)phenyl)vinyl]biphenyl, the achieved highest brightness, maximum current efficiency and maximum power efficiency are 13,613 cd/m(2), 3.38 cd/A, and1.84 lm/W. respectively. (C) 2011 Elsevier Ltd. All rights reserved. |
| 语种 | 英语 |
| WOS记录号 | WOS:000300380300017 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 源URL | [http://ir.iccas.ac.cn/handle/121111/48757]  |
| 专题 | 中国科学院化学研究所 |
| 通讯作者 | Chen, Yu |
| 作者单位 | 1.E China Univ Sci & Technol, Inst Appl Chem, Key Lab Adv Mat, Shanghai 200237, Peoples R China 2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Grad Sch, Changchun 130022, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lin, Ying,Chen, Yu,Ye, Tengling,et al. Carbazole-modified blue light-emitting copolymers with the backbones integrated by diphenyloxadiazole, fluorene, and triphenylamine[J]. EUROPEAN POLYMER JOURNAL,2012,48(2):416-424. |
| APA | Lin, Ying,Chen, Yu,Ye, Tengling,Ma, Dongge,&Li, Yongxi.(2012).Carbazole-modified blue light-emitting copolymers with the backbones integrated by diphenyloxadiazole, fluorene, and triphenylamine.EUROPEAN POLYMER JOURNAL,48(2),416-424. |
| MLA | Lin, Ying,et al."Carbazole-modified blue light-emitting copolymers with the backbones integrated by diphenyloxadiazole, fluorene, and triphenylamine".EUROPEAN POLYMER JOURNAL 48.2(2012):416-424. |
入库方式： OAI收割
来源：化学研究所
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