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High-Mobility Ambipolar Organic Thin-Film Transistor Processed From a Nonchlorinated Solvent
Prashant Sonar1,2, Jingjing Chang1,3,4, Jae H Kim1,5
1Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology, and Research (A*STAR) , 2 Fusionopolis Way, Innovis, #08-03, Singapore 138634.
Abstract:
Polymer semiconductor PDPPF-DFT, which combines furan-substituted diketopyrrolopyrrole (DPP) and a 3,4-difluorothiophene base, has been designed and synthesized. PDPPF-DFT polymer semiconductor thin film processed from nonchlorinated hexane is used as an active layer in thin-film transistors. As a result, balanced hole and electron mobilities of 0.26 and 0.12 cm(2)/(V s) are achieved for PDPPF-DFT. This is the first report of using nonchlorinated hexane solvent for fabricating high-performance ambipolar thin-film transistor devices.
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