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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

115 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

Keywords

  • fractionation
  • indacenodithiophene
  • organic photovoltaics
  • purification

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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