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Updated: May 12, 2026

Synthesis of Cyclic Polymers and Characterization of Their Diffusive Motion in the Melt State at the Single Molecule Level
Published on: September 26, 2016
Synthesis, characterization and organic field effect transistor performance of a diketopyrrolopyrrole-fluorenone
Prashant Sonar1, Tae-Jun Ha, Ananth Dodabalapur
1Institute of Materials Research and Engineering (IMRE), Agency for Science, Technology, and Research (A*STAR), 3 Research Link, Singapore117602. sonarp@imre.a-star.edu.sg
Abstract:
A diketopyrrolopyrrole (DPP) with fluorenone (FN) based low band gap alternating copolymer (PDPPT-alt-FN) has been synthesized via Suzuki coupling. PDPPT-alt-FN exhibits a deep HOMO level with a lower band gap. Fabricated organic thin film transistors using PDPPT-alt-FN as a channel semiconductor show p-channel behaviour with the highest hole mobility of 0.083 cm(2) V(-1) s(-1) measured in air.
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