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Authors Chae, S. ; Lee, T.I. ; Oh, J.Y.
Title Reduced electrical hysteresis of organic thin-film transistors based on small molecule semiconductor through an insulating polymer binder
Date 24.01.2022
Number 60553
Abstract The electrical stability of organic thin film transistors (OTFTs) based on 6, 13-bis(triisopropylsilylethynyl) (TIPS) pentacene were improved by blending poly(a-methylstyrene) (PaMS) binder with the TIPS-pentacene. The blended semiconducting film is vertically phase-separated, which forms a TIPS-pentacene rich region at top surface due to its lower surface energy than PaMS, inducing interface modification at semiconducting layer and dielectric layer. The modified interface induces an increase in charge current density and a decrease in charge trap density, leading to efficiently reduced electrical hysteresis and increased field-effect mobility.
Publisher Korean Journal of Chemical Engineering
Wikidata
Citation Korean Journal of Chemical Engineering 39 (2022) 499-503
DOI https://doi.org/10.1007/S11814-021-1005-Z
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