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A spectroelectrochemical study of poly(dithienothiophenes)

Authors
Journal
Journal of Electroanalytical Chemistry
1572-6657
Publisher
Elsevier
Publication Date
Volume
423
Identifiers
DOI: 10.1016/s0022-0728(96)04879-6
Keywords
  • Conducting Polymers
  • Poly(Dithienothiophenes)
  • N-Doping
  • Symmetrical Electrochemical Devices
Disciplines
  • Chemistry
  • Design
  • Mathematics

Abstract

Abstract The use of n- and p-dopable conjugated polymers as both the working and counter electrodes in an electrochemical device has always attracted chemists and has stimulated the design of new molecules with a low energy gap that can be p- and n-doped efficiently. The present paper reports the spectroelectrochemical study of polymers obtained from several dithienothiophene isomers, molecules with three thiophene rings fused in different positions. Of the six isomers, poly(dithieno[3,4-b:3′,2′-d]thiophene) and poly(dithieno[3,4-b:2′,3′-d] thiophene) were tested against poly(dithieno[3,2-b:2′,3′-d]thiophene) and poly(dithieno[3,4-b:3′,4′-d]thiophene). The differences in their performance, related to the geometry of the starting molecules and to enchainment, are reported and discussed.

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