Regiocontrolled synthesis of ester-functionalized polythiophenes via direct arylation polycondensation

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A series of ester-functionalized polythiophenes (P3OETs) with precisely controlled head-to-tail (HT) ratios was synthesized via palladium-catalyzed direct arylation polycondensation (DArP). The ionization potentials and optical bandgaps of P3OETs decreased as their HT ratios increased because of the increased backbone coplanarity and extensive π-electron delocalization. The method of precisely controlling the regioregularity and HT ratio can contribute to the design of new polythiophene derivatives with enhanced electronic functionality.

Original languageEnglish
Pages (from-to)403-408
Number of pages6
JournalPolymer Journal
Issue number2
Publication statusPublished - Feb 2021

All Science Journal Classification (ASJC) codes

  • Polymers and Plastics
  • Materials Chemistry


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