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Keywords:

  • bandgap;
  • bulk heterojunction solar cells;
  • donor–acceptor polymer;
  • fullerene;
  • functionalization of polymers;
  • morphology

Abstract

This review describes the synthesis and photovoltaic performance of donor–acceptor (D–A) semiconducting polymers that have been reported during the last decade. 9,9-Dialkyl-2,7- fluorene, 2,7-carbazole, cyclopenta[2,1-b:3,4-b′]dithiophene, dithieno[3,2-b:2′,3′-d]silole, dithieno[3,2-b:2′,3′-d]pyrrole, benzo[1,2-b:4,5-b′]dithiophene, benzo[1,2 b:4,5 b′]difuran building blocks, and their D–A copolymers are described in this review. © 2012 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem, 2013