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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 11
BKCSDE 33(11)
November 20, 2012

Title	A First Synthesis and Physical Properties of Asymmetric Anthracenes-Thiophenes Bridged with Ethylene
Author	Min Ji Hwang, Ji Hee Park, Eun Bin Jeong, Il-Kang, Dong Hoon Lee, Chan Eon Park, O.M. Singh, HoJune Choi, Yoon-Hi Kim, Yong Jin Yoon, Soon-Ki Kwon, Sang-Gyeong Lee
Keywords	Organic thin-film transistors, McMurry coupling, Asymmetric anthracene derivatives, Solutionprocessing, p-Type charge carrier mobility
Abstract	Here we report our recent result of a new semiconductor material, which has an asymmetric structure. The synthesized molecules consist of anthracene and thiophene connected by bridged ethylene and substituted with hexyl or dodecyl groups as pendants. The semiconductors were synthesized using a McMurry coupling reaction between anthracene-2-carbaldehyde and corresponding 5-hexyl(or dodecyl)thiophene-2-carbaldehyde. A first investigation of synthesized asymmetry AVHT (9a) and AVDT (9b) for the physical properties showed that they have high oxidation potential and thermal stability. The devices prepared by using AVHT (9a) and AVDT (9b) showed the mobility of 2.6 × 10−2 cm2/Vs and 4.4 × 10−3 cm2/Vs, respectively, in solution processed OTFTs.
Page	3810 - 3816
Full Text	PDF

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