Synthesis, characterization and TFT characteristics of diketopyrrolopyrrole based copolymer

Chinna Bathula, Seunghoon Jeong, Jeyon Chung, Youngjong Kang

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A novel diketopyrrolopyrrole (DPP) based low band gap polymer, poly[4,8-bis(triisopropylsilylethynyl) benzo[1,2-b:4,5-b!]dithiophene-2,6-diyl-alt-[2,5-di-hexyl-3,6-dithiophen-2-ylpyrrolo[3,4-c]pyrrole-1,4- dione] (PTIPSBDT-DPP) is synthesized by Stille polymerization for use in thin film transistor (TFTs). The new polymer contain extended aromatic π-conjugated segments alternating with the DPP units and are designed to increase the free energy for charge generation to overcome current limitations in photocurrent generation. In this study we describe the synthesis, thermal stability, optical, electrochemical properties and TFT characteristics.

Original languageEnglish
Pages (from-to)2796-2799
Number of pages4
JournalJournal of Nanoscience and Nanotechnology
Volume16
Issue number3
DOIs
StatePublished - Mar 2016

Keywords

  • Benzodithiophene
  • Conjugate Copolymers
  • DPP
  • TFT

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