5 ',5 ''-(9,10-Bis((4-hexylphenyl)ethynyl) anthracene-2,6-diyl)bis(5-hexyl-2,2 '-bithiophene) as an Organic Semiconductor and its Application to Thin Film Transistors
- Authors
- Bae, Suk Young; Jo, So Young; Kim, Kyung Hwan; Lee, Tae Wan; Choi, Dong Hoon
- Issue Date
- 2011
- Publisher
- TAYLOR & FRANCIS LTD
- Keywords
- Anthracene; bithiophene; conjugated molecules; mobility; organic thin film transistor; semiconductor
- Citation
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS, v.538, pp.175 - 181
- Indexed
- SCIE
SCOPUS
- Journal Title
- MOLECULAR CRYSTALS AND LIQUID CRYSTALS
- Volume
- 538
- Start Page
- 175
- End Page
- 181
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/115058
- DOI
- 10.1080/15421406.2011.563718
- ISSN
- 1542-1406
- Abstract
- New anthracene-containing conjugated molecules have been synthesized through Stille coupling reaction. 2,6-Dibromo-9,10-bis(4-hexylphenyl) ethynyl) anthracene and 2,6-dibromo-9,10-bis(phenylethynyl) anthracene were reacted with tributyl (5'-hexyl-2,2'-bithiophen-5-yl) stannane to yield 5',5"-(9,10-bis(phenylethynyl) anthracene-2,6-diyl) bis(5-hexyl-2,2'-bithiophene), 1 and 5',5"-(9,10-bis((4-hexyl phenyl) ethynyl) anthracene-2,6-diyl) bis(5-hexyl-2,20-bithiophene), 2. The molecule, 2 only exhibit good solubility in common organic solvents and good self-film-forming properties. The semiconducting properties of the molecule, 2 were evaluated in organic thin film transistors (OTFTs). The molecule, 2 exhibits charge carrier mobilities-as high as 5.3 x 10(-3) cm(2) V-1 s(-1) (I-ON/I-OFF=2.43 x 10(5)) without thermal annealing process.
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