A highly planar fluorinated benzothiadiazole-based conjugated polymer for high-performance organic thin-film transistors.

Nketia-Yawson, Benjamin; Lee, Hyo-Sang; Seo, Dongkyun; Yoon, Youngwoon; Park, Won-Tae; Kwak, Kyungwon; Son, Hae Jung; Kim, BongSoo et al. · Adv Mater · 2015

basic_science · Level V

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Abstract

High-mobility and low-voltage-operated organic field-effect transistors (OFETs) are demonstrated by the design of a new fluorinated benzothiadiazole-based conjugated polymer with fluorinated high-k polymer dielectrics. A record-breaking high hole mobility of 9.0 cm(2) V(-1) s(-1) for benzothiadiazole-based semiconducting polymers is achieved by the excellent planarity of the semiconducting polymer.