The influence of polymer purification on photovoltaic device performance of a series of indacenodithiophene donor polymers

Raja Shahid Ashraf, Bob C. Schroeder, Hugo A. Bronstein, Zhenggang Huang, Stuart Thomas, R. Joseph Kline, Christoph J. Brabec, Patrice Rannou, Thomas D. Anthopoulos, James R. Durrant, Iain McCulloch

Research output: Contribution to journalArticlepeer-review

133 Scopus citations

Abstract

A series of low bandgap indacenodithiophene polymers is purified by recycling SEC in order to isolate narrow polydispersity fractions. This additional purification step is found to have a significant beneficial influence on the solar cell performance and the reasons for this performance increase are investigated.

Original languageEnglish (US)
Pages (from-to)2029-2034
Number of pages6
JournalAdvanced Materials
Volume25
Issue number14
DOIs
StatePublished - Apr 11 2013
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering

Keywords

  • fractionation
  • indacenodithiophene
  • organic photovoltaics
  • purification

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