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Molecular Orientation and Phase Separation by Controlling Chain Segment and Molecule Movement in P3HT/N2200 Blends
Zhang, R; Yang, H; Zhou, K; Zhang, JD; Yu, XH; Liu, JG; Han, YC; Yang H(杨华)
2016
发表期刊MACROMOLECULES
卷号49期号:18页码:6987-6996
文章类型Article
摘要The molecular orientation and phase separation of poly(3-hexylthiophene) (P3HT) and poly[[N,N-bis(2-octyldodecyl)-napthalene-1,4,5,8-bis(dicarboximide)-2,6-diyl]-alt-5, 5'-(2,2'-bithiophene)] (N2200) blends are investigated by in situ temperature-resolved two-dimensional grazing incidence X-ray diffraction (2D GIXD) in step-by-step heating and cooling processes. When pristine amorphous films are thermally annealed below the melting temperature of P3HT, only the chain segment of P3HT moves, while P3HT molecule is crystallized, induced by N2200 with face-on orientation (thermodynamics unsteady state). The interpenetrating network forms during the crystallization process of the polymers. When thermally annealed above melting temperature of P3HT, the whole molecular chain of P3HT moves, the space restriction of N2200 could be broken. The P3HT crystallizes with edge-on orientation (thermodynamics steady state) while N2200 crystallizes with face-on orientation. The hierarchical morphology forms by nucleation and growth or liquid phase separation. The P3HT crystallization with face-on or edge-on orientation in different postannealing processes is explained in terms of P3HT chain segment and molecule movement confined or broken out by N2200 crystalline confinement.
学科领域Polymer Science
DOI10.1021/acs.macromol.6b01526
关键词[WOS]HETEROJUNCTION SOLAR-CELLS ; FIELD-EFFECT TRANSISTORS ; CONJUGATED-POLYMER BLENDS ; THIN-FILMS ; REGIOREGULAR POLY(3-HEXYLTHIOPHENE) ; PHOTOVOLTAIC PERFORMANCE ; ORGANIC SEMICONDUCTORS ; CHARGE-TRANSPORT ; EFFECT MOBILITY ; HOLE MOBILITY
收录类别SCI ; EI
语种英语
WOS类目Polymer Science
WOS记录号WOS:000384399100029
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260203
专题东莞分部
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Zhang, R,Yang, H,Zhou, K,et al. Molecular Orientation and Phase Separation by Controlling Chain Segment and Molecule Movement in P3HT/N2200 Blends[J]. MACROMOLECULES,2016,49(18):6987-6996.
APA Zhang, R.,Yang, H.,Zhou, K.,Zhang, JD.,Yu, XH.,...&杨华.(2016).Molecular Orientation and Phase Separation by Controlling Chain Segment and Molecule Movement in P3HT/N2200 Blends.MACROMOLECULES,49(18),6987-6996.
MLA Zhang, R,et al."Molecular Orientation and Phase Separation by Controlling Chain Segment and Molecule Movement in P3HT/N2200 Blends".MACROMOLECULES 49.18(2016):6987-6996.
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