Facile synthesis of 3-(x-acetoxyalkyl)thiophenes and derivedcopolythiophenes using Rieke zinc

Suleyman Kudret, Jurgen Kesters, Sander Janssen, Niko Van den Brande, Maxime Defour, Bruno Van Mele, Jean Manca, Laurence Lutsen, Dirk Vanderzande, Wouter Maes

Research output: Contribution to journalArticlepeer-review

Abstract

An optimized synthetic protocol toward highly reactive Rieke zinc is applied for the preparation of a series of x-(2,5-dibromothiophene-3-yl)alkyl acetate monomers and statistical copolythiophenes derived
thereof, with 10% of ester-functionalized side chains. The obtained conjugated polymers are attractive
electron donor materials for organic solar cells, notably to increase the thermodynamic stability of the
bulk heterojunction polymer:fullerene active layer blend, and are fully characterized by a combination
of spectroscopic, thermal analysis and electrochemical techniques.
2013 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)22-30
Number of pages9
JournalReactive and Functional Polymers
Volume22
Issue number75
Publication statusPublished - Feb 2014

Keywords

  • Rieke zinc
  • Advanced thermal analysis
  • Optimized synthetic protocol
  • Organic photovoltaics
  • Ester side chains
  • Random copolythiophenes

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