Journal
ORGANIC ELECTRONICS
Volume 11, Issue 12, Pages 1960-1965Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.orgel.2010.09.008
Keywords
Organic thin-film transistors; Organic semiconductors; High-mobility; Solution processing; Spray-coating
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We report on high performance organic thin-film transistors fabricated by spray-deposition, an innovative coating technique for organic electronic devices. This method is simple and inexpensive, compatible with room-temperature processing and easily scalable from laboratory-based devices to large-area electronics. Our spray-deposited 2,8-difluoro-5,11-bis (triethylsilylethynyl) anthradithiophene transistors show very good homogeneity, with mobilities of 0.2 cm(2)/V s, and on/off ratios of 10(7). This performance is comparable to that of our best spin-coated devices fabricated on the same substrate type, while offering additional advantages such as using 20 times less organic semiconductor and facilitating fast coating of large-areas. (C) 2010 Elsevier B. V. All rights reserved.
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