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Organic Thin Film Transistor with Poly(4-vinylbiphenyl) Blended 6,13-Bis(triisopropylsilylethynyl)pentacene on Propyleneglycolmonomethyletheracetate Dielectric Surface

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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 IV 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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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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