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Updated: Apr 27, 2026
Development of Efficient OLEDs from Solution Deposition
Published on: November 4, 2022
Template-guided solution-shearing method for enhanced charge carrier mobility in diketopyrrolopyrrole-based polymer
Jicheol Shin1, Tae Ryang Hong, Tae Wan Lee
1Dept. of Chemistry, Research Institute for Natural Sciences, Korea University, 5 Anam-dong, Sungbuk-gu, Seoul, 136-701, Korea.
Abstract:
Template-guided solution-shearing (TGSS) is used to fabricate field-effect transistors (FETs) composed of micropatterned prisms as active channels. The prisms comprise highly crystalline PTDPP-DTTE, in which diketopyrrolopyrrole (DPP) is flanked by thiophene. The FET has a maximum mobility of approximately 7.43 cm(2) V(-1) s(-1) , which is much higher than the mobility values of the thin-film transistors with solution-sheared or spin-coated films of PTDPP-DTTE annealed at 200 °C.
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