| Phase transition behavior and molecular orientation of oligo(9,9 '-dioctylfluorene-alt-bithiophene) | |
| Li, Na; Zhang, Xiaojie; Geng, Yanhou; Su, Zhaohui | |
| 刊名 | Macromolecular chemistry and physics
 |
| 2008-09-04 | |
| 卷号 | 209期号:17页码:1806-1813 |
| 关键词 | Liquid crystals Orientation Oligomers Phase transitions Thin films |
| ISSN号 | 1022-1352 |
| DOI | 10.1002/macp.200800167 |
| 通讯作者 | Su, zhaohui(zhsu@ciac.jl.cn) |
| 英文摘要 | A novel conjugated oligomer, oligo(9,9'-dioctylfluorene-alt-bithiophene) (of8t2), was found to exhibit a unique phase transition between crystalline and liquid-crystalline states, and a liquid-crystalline glass was easily generated, offering better tft device performance. in thin films, upon annealing the of8t2 molecules oriented preferentially with their planes of conjugation being normal to the substrate, and both film thickness and annealing temperature were critical to the film morphology and the molecular orientation. when the of8t2 film was deposited on a rubbed polyimide surface and annealed, the molecules aligned their long axes along the rubbing direction. |
| WOS关键词 | FIELD-EFFECT TRANSISTORS ; ELECTROLUMINESCENT POLYMER-FILMS ; LIQUID-CRYSTALLINE POLYFLUORENE ; MOBILITY ENHANCEMENT ; CONJUGATED COPOLYMER ; CARRIER MOBILITY ; POLY(3-ALKYLTHIOPHENES) ; ALIGNMENT ; CHAIN ; EMISSION |
| WOS研究方向 | Polymer Science |
| WOS类目 | Polymer Science |
| 语种 | 英语 |
| 出版者 | WILEY-V C H VERLAG GMBH |
| WOS记录号 | WOS:000259726700006 |
| 内容类型 | 期刊论文 |
| URI标识 | http://www.corc.org.cn/handle/1471x/2386648 |
| 专题 | 中国科学院大学 |
| 通讯作者 | Su, Zhaohui |
| 作者单位 | Chinese Acad Sci, Changchun Inst Appl Chem, Grad Sch, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China |
| 推荐引用方式 GB/T 7714 | Li, Na,Zhang, Xiaojie,Geng, Yanhou,et al. Phase transition behavior and molecular orientation of oligo(9,9 '-dioctylfluorene-alt-bithiophene)[J]. Macromolecular chemistry and physics,2008,209(17):1806-1813. |
| APA | Li, Na,Zhang, Xiaojie,Geng, Yanhou,&Su, Zhaohui.(2008).Phase transition behavior and molecular orientation of oligo(9,9 '-dioctylfluorene-alt-bithiophene).Macromolecular chemistry and physics,209(17),1806-1813. |
| MLA | Li, Na,et al."Phase transition behavior and molecular orientation of oligo(9,9 '-dioctylfluorene-alt-bithiophene)".Macromolecular chemistry and physics 209.17(2008):1806-1813. |
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