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http://dx.doi.org/10.5369/JSST.2015.24.3.165

Low-voltage Organic Thin-film Transistors with Polymeric High-k Gate Insulator on a Flexible Substrates  

Kim, Jae-Hyun (Department of Electronics, Kyungpook National University)
Bae, Jin-Hyuk (Department of Electronics, Kyungpook National University)
Lee, In-ho (School of Electrical Engineering, Seoul National Unversity)
Kim, Min-Hoi (Department of Creative Convergence Engineering, Hanbat National Unversity)
Publication Information
Journal of Sensor Science and Technology / v.24, no.3, 2015 , pp. 165-168 More about this Journal
Abstract
We demonstrated low-voltage organic thin-film transistors (OTFTs) with bilayer insulators, high-k polymer and low temperature crosslinkable polymer, on a flexible plastic substrate. Poly (vinylidene fluoridetrifluoroethylene) (P(VDF-TrFE)) and poly (2-vinylnaphthalene) are used for high-k polymer gate insulator and low temperature crosslinkable polymer insulators, respectively. The mobility of flexible OTFTs is $0.17cm^2/Vs$ at gate voltages -5 V after bending operation.
Keywords
Organic thin-film transistor; Leakage current; High capacitance; Flexible substrate;
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