Electronic structure tuning of new fused thieno[3,2-b]thieno bisthiophene based polymers via alkyl chain and Group IV heteroatom modulation

Bob C. Schroeder*, Hugo Bronstein, Raja Shahid Ashraf, Weimin Zhang, Zhenggang Huang, Pabitra Shakya Tuladhar, Thomas D. Anthopoulos, James R. Durrant, Iain McCulloch

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Herein we present an extension of our work on indacenodithiophenes (IDT) by replacing the central benzene ring with a thieno(3,2-b) thiophene unit. This newly developed thieno[3,2-b]thieno bisthiophene (4T) donor moiety was synthesized from commercially available reagents and incorporated into a series of donor-acceptor polymers. We will discuss the pronounced donating character of 4T compared to IDT and the choice of bridging atom in those new polymers with an emphasis on field effect transistor and photovoltaic device performance.

Original languageEnglish (US)
Title of host publicationOrganic Photovoltaics XIII
Volume8477
DOIs
StatePublished - 2012
Externally publishedYes
EventOrganic Photovoltaics XIII - San Diego, CA, United States
Duration: Aug 14 2012Aug 16 2012

Other

OtherOrganic Photovoltaics XIII
CountryUnited States
CitySan Diego, CA
Period08/14/1208/16/12

Keywords

  • Field effect transistor
  • Heteroatom
  • Indacenodithiophene
  • Organic solar cell
  • Thieno(3,2-b) thiophene

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering

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