ICCAS OpenIR
Effect of substituents on electronic properties, thin film structure and device performance of dithienothiophene-phenylene cooligomers
Zhang, Shiming1,2,3; Guo, Yunlong1,2,3; Xi, Hongxia1,2,3; Di, Chong-an1,2,3; Yu, Jian1,2; Zheng, Kai1,2; Liu, Ruigang1,2; Zhan, Xiaowei1,2; Liu, Yunqi1,2
2009-03-02
Source PublicationTHIN SOLID FILMS
ISSN0040-6090
Volume517Issue:9Pages:2968-2973
AbstractDithienothiophene-phenylene cooligomers with n-hexyloxy or n-dodecyloxy substituents have been synthesized and compared to the previously reported unsubstituted parent compound. The effect of substituents on the thermal, electronic, optical. thin film structure and field-effect transistor (OFET) properties was investigated. Structural phase transitions from highly-ordered nanocrystalline to liquid crystalline were observed at 241 and 213 degrees C for n-hexyloxy- and n-dodecyloxy-substituted compounds respectively, different from the parent compound. For the alkoxy-substituted compounds, the absorption spectra in thin film blue shift 50 nm, while the fluorescence spectra in thin film red shift 88-100 nm compared to those in solution. The OFET devices based on the alkoxy-substituted compounds exhibit mobilities as high as ca 0.02 cm(2)V(-1)s(-1) and their performance is sensitive to the alkoxy substituents and substrate temperatures. (C) 2008 Elsevier B.V. All rights reserved.
KeywordDithienothiophene Organic Oligomers Ofet Liquid Crystal
DOI10.1016/j.tsf.2008.11.102
Indexed BySCI
Language英语
WOS IDWOS:000264331500026
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67664
Collection中国科学院化学研究所
Corresponding AuthorZhan, Xiaowei
Affiliation1.Chinese Acad Sci, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Shiming,Guo, Yunlong,Xi, Hongxia,et al. Effect of substituents on electronic properties, thin film structure and device performance of dithienothiophene-phenylene cooligomers[J]. THIN SOLID FILMS,2009,517(9):2968-2973.
APA Zhang, Shiming.,Guo, Yunlong.,Xi, Hongxia.,Di, Chong-an.,Yu, Jian.,...&Liu, Yunqi.(2009).Effect of substituents on electronic properties, thin film structure and device performance of dithienothiophene-phenylene cooligomers.THIN SOLID FILMS,517(9),2968-2973.
MLA Zhang, Shiming,et al."Effect of substituents on electronic properties, thin film structure and device performance of dithienothiophene-phenylene cooligomers".THIN SOLID FILMS 517.9(2009):2968-2973.
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