Nanowire Shish-Kebab Structures and Molecular Orientation Control of All-Conjugated Diblock Copolymers

doi:10.1002/asia.201301610

CORC > 化学研究所 > 中国科学院化学研究所

	Nanowire Shish-Kebab Structures and Molecular Orientation Control of All-Conjugated Diblock Copolymers
	Yang, Hua 1,2; Wang, Lei 1,2; Yu, Xinhong 1,2; Zhang, Jidong 1,2; Geng, Yanhou 1,2; Han, Yanchun 1,2
刊名	CHEMISTRY-AN ASIAN JOURNAL
	2014-08-01
卷号	9 期号:8 页码:2239-2248
关键词	Conjugation Copolymerization Molecular Orientation Nanowires
ISSN号	1861-4728
DOI	10.1002/asia.201301610
英文摘要	Herein we propose a facile strategy to prepare nanowires and nanowire "shish-kebab" (NWSK) structures by controlling the crystallization behavior of all-conjugated rod-rod diblock copolymers poly[(p-phenylene)-block-(3-hexylthiophene)]s (PPP-b-P3HT (BmTn)) with varying main chain lengths. Depending on the block length and ratio (i.e., PPP/P3HT, abbreviated as B/T), nanowires with low B/T ratios (copolymers with long P3HT blocks; B8T32 and B14T34) and NWSKs with high B/T ratios (copolymers with long PPP blocks; B29T9 and B39T18) were formed for PPP-b-P3HT all-conjugated diblock copolymers. The formation of nanowires is governed by a strong interchain p-p stacking similar to the P3HT homopolymer, with an edge-on orientation of the P3HT moiety, whereas NWSKs are formed as a result of the particular face-on molecular orientation of PPP moiety. As the length of the P3HT moiety was increased (the block ratio of PPP/P3HT reduced), the NWSKs were transformed into nanowires gradually because of the decreasing density of "kebabs". For diblock copolymers with high PPP/P3HT ratios, the transition of the molecular orientation from face-on to edge-on was obtained by thermal annealing.
语种	英语
出版者	WILEY-V C H VERLAG GMBH
WOS记录号	WOS:000342675900037
内容类型	期刊论文
源URL	[http://ir.iccas.ac.cn/handle/121111/50357]
专题	中国科学院化学研究所
通讯作者	Han, Yanchun
作者单位	1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Yang, Hua,Wang, Lei,Yu, Xinhong,et al. Nanowire Shish-Kebab Structures and Molecular Orientation Control of All-Conjugated Diblock Copolymers[J]. CHEMISTRY-AN ASIAN JOURNAL,2014,9(8):2239-2248.
APA	Yang, Hua,Wang, Lei,Yu, Xinhong,Zhang, Jidong,Geng, Yanhou,&Han, Yanchun.(2014).Nanowire Shish-Kebab Structures and Molecular Orientation Control of All-Conjugated Diblock Copolymers.CHEMISTRY-AN ASIAN JOURNAL,9(8),2239-2248.
MLA	Yang, Hua,et al."Nanowire Shish-Kebab Structures and Molecular Orientation Control of All-Conjugated Diblock Copolymers".CHEMISTRY-AN ASIAN JOURNAL 9.8(2014):2239-2248.