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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 2
BKCSDE 33(2)
February 20, 2012

Title	Solution Processable Symmetric 4-Alkyl ethynylbenzene End-Capped Anthracene Derivatives
Author	Sang Hun Jang, Hyunjin Kim, Min Ji Hwang, Hui Jun Yun, Dong Hoon Lee, Yun-Hi Kim, Chan Eon Park, Yong Jin Yoon, Soon-Ki Kwon,, Sang-Gyeong Lee
Keywords	Solution-processing, Anthracene derivatives, Sonogashira coupling, Organic thin-film transistors
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), 1H-NMR, and 13C-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 × 10−3 cm2/Vs and 2.0 × 10−3 cm2/Vs, respectively, for solution-processed OTFTs.
Page	541 - 548
Full Text	PDF

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