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New semiconducting multi-branched conjugated molecules based on pi-extended triphenylene and its application to organic field-effect transistor

Authors
Hoang, Mai HaCho, Min JuKim, Kyung HwanCho, Mi YeonJoo, Jin-SooChoi, Dong Hoon
Issue Date
30-11월-2009
Publisher
ELSEVIER SCIENCE SA
Keywords
pi-extended triphenylene; Conjugated semiconductor; Mobility; Organic field-effect transistor
Citation
THIN SOLID FILMS, v.518, no.2, pp.501 - 506
Indexed
SCIE
SCOPUS
Journal Title
THIN SOLID FILMS
Volume
518
Number
2
Start Page
501
End Page
506
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/118895
DOI
10.1016/j.tsf.2009.07.030
ISSN
0040-6090
Abstract
Triphenylene derivatives are the most well-known representatives of discotic liquid crystals forming columnar mesophases. In this work, the authors report on the design and synthesis of new semiconducting materials, based on a triphenylene core, those are solution processable. These molecules have a good solubility and are applicable to soluble processing for organic field-effect transistor (OFET). Their thermal stabilities and dynamic behaviors are suitable for OFET device fabrication. In comparison with all of previous reported triphenylenes derivatives, these molecules have lower bandgap energies. As far as we know, there are few reports on the application of pi-extended triphenylene systems to OFET. The semiconducting properties of these molecules were quite promising for further designs of pi-extended triphenylene derivatives. (C) 2009 Elsevier B.V. All rights reserved.
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