ICCAS OpenIR
Single Crystals of Polythiophene with Different Molecular Conformations Obtained by Tetrahydrofuran Vapor Annealing and Controlling Solvent Evaporation
Xiao, Xinli; Wang, Zongbao2; Hu, Zhijun3; He, Tianbai1
2010-06-10
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
ISSN1520-6106
Volume114Issue:22Pages:7452-7460
AbstractSingle crystals of poly(3-hexylthiophene) (P3HT) and poly(3-octylthiophene) (P3OT) have been prepared by tetrahydrofuran vapor annealing and controlling solvent evaporation, respectively. The morphology and structure of the single crystals are characterized using optical microscopy, scanning electron microscopy, atomic force microscopy, transmission electron microscopy, and wide-angle X-ray diffraction. It is observed that in P3HT single crystals, the molecules are packed with pi-pi stacking direction perpendicular to the length axis of the crystals and main chains parallel to the substrate, whereas in P3OT single crystals, the molecules are packed with pi-pi stacking direction parallel to the length axis of the crystal and main chains parallel to the substrate. In the held effect transistors, the current flow is parallel to the length axis of the single crystals, and the mobility is 1.57 x 10(-3) cm(2)/Vs for a P3HT single crystal and 0.62 cm(2)/Vs for a P3OT single crystal. The single crystals of P3HT and P3OT showed high anisotropic electrical properties. The influences of molecular conformation and alkyl chain length on the electrical properties of P3ATs are discussed.
DOI10.1021/jp911525d
Indexed BySCI
Language英语
WOS IDWOS:000278301000004
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:57[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/68798
Collection中国科学院化学研究所
Corresponding AuthorHe, Tianbai
Affiliation1.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
2.Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo Key Lab Polymer Mat, Ningbo 315201, Zhejiang, Peoples R China
3.Soochow Univ, Ctr Soft Condensed Matter Phys & Interdisciplinar, Suzhou 215006, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Xinli,Wang, Zongbao,Hu, Zhijun,et al. Single Crystals of Polythiophene with Different Molecular Conformations Obtained by Tetrahydrofuran Vapor Annealing and Controlling Solvent Evaporation[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2010,114(22):7452-7460.
APA Xiao, Xinli,Wang, Zongbao,Hu, Zhijun,&He, Tianbai.(2010).Single Crystals of Polythiophene with Different Molecular Conformations Obtained by Tetrahydrofuran Vapor Annealing and Controlling Solvent Evaporation.JOURNAL OF PHYSICAL CHEMISTRY B,114(22),7452-7460.
MLA Xiao, Xinli,et al."Single Crystals of Polythiophene with Different Molecular Conformations Obtained by Tetrahydrofuran Vapor Annealing and Controlling Solvent Evaporation".JOURNAL OF PHYSICAL CHEMISTRY B 114.22(2010):7452-7460.
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