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Solution Processable Symmetric 4-Alkylethynylbenzene End-Capped Anthracene Derivatives
- Authors
- Jang, Sang Hun; Kim, Hyunjin; Hwang, Min Ji; Jeong, Eun Bin; Yun, Hui Jun; Lee, Dong Hoon; Kim, Yun-Hi; Park, Chan Eon; Yoon, Yong-Jin; Kwon, Soon-Ki; Lee, Sang-Gyeong
- Issue Date
- Feb-2012
- Publisher
- 대한화학회
- Keywords
- Solution-processing; Anthracene derivatives; Sonogashira coupling; Organic thin-film transistors
- Citation
- Bulletin of the Korean Chemical Society, v.33, no.2, pp 541 - 548
- Pages
- 8
- Indexed
- SCI
SCIE
SCOPUS
KCI
- Journal Title
- Bulletin of the Korean Chemical Society
- Volume
- 33
- Number
- 2
- Start Page
- 541
- End Page
- 548
- ISSN
- 0253-2964
1229-5949
- Abstract
- New candidates composed of anthracene and 4-alkylethynylbenzene end-capped oligomers for OTFTs were synthesized under Sonogashira coupling reaction conditions. All oligomers were characterized by FT-IR, mass, UV-visible, and PL emission spectrum analyses, cyclic voltammetry (CV), differential scanning calorimetry (DSC), thermal gravimetric analysis (TGA), H-1-NMR, and C-13-NMR. Investigation of their physical properties showed that the oligomers had high oxidation potential and thermal stability. Thin films of DHPEAnt and DDPEAnt were characterized by spin coating them onto Si/SiO2 to fabricate top-contact OTFTs. The devices prepared using DHPEAnt and DDPEAnt showed hole field-effect mobilities of 4.0 x 10(-3) cm(2)/Vs and 2.0 x 10(-3) cm(2)/Vs, respectively, for solution-processed OTFTs.
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