Organic Thin Film Transistor with Poly(4-vinylbiphenyl) Blended 6,13-Bis(triisopropylsilylethynyl)pentacene on Propyleneglycolmonomethyletheracetate Dielectric Surface
Authors: Kwon, Jae-Hong; Shin, Sang-Il; Choi, Jinnil; Chung, Myung-Ho; Oh, Tae-Yeon; Kim, Kyung-Hwan; Choi, Dong Hoon; Ju, Byeong-Kwon
Source: Journal of Nanoscience and Nanotechnology, Volume 10, Number 5, May 2010 , pp. 3198-3202(5)
Publisher: American Scientific Publishers
Abstract:This paper presents the latest results in the use of soluble materials, such as organic semiconductors (OSCs) and gate-dielectrics, for simplified processing of organic thin film transistors (OTFTs). In this work, the fabrication of a solution-processed OTFT, with 6,13-bis(triisopropylsilylethynyl)pentacene (TIPS-pentacene) and TIPS-pentacene mixed with poly(4-vinylbiphenyl) (PVBP) as the OSC, and propyleneglycolmonomethyletheracetate (PGMEA) as the gate-dielectric, is described. From electrical measurements, we observed exemplary I–V characteristics for these TFTs. Device performance characteristics have been obtained, including the charge carrier mobility () of 1.47 × 10−2 cm2/Vs, threshold voltage (VT) of −11.36 V, current on/off ratio (ION/OFF) of 1.08 × 104, sub-threshold swing (SS) of 2.13 V/decade for an OTFT with PVBP blended TIPS-pentacene and of 1.39 × 10−4 cm2/Vs, VT of 0.7 V, ION/OFF of 1.64 × 103, SS of 4.21 V/decade for an OTFT without polymer binder, individually.
Document Type: Research Article
Publication date: 2010-05-01
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