Tuning of the photoinduced charge transfer process in donor-acceptor double-cable copolymers

Francesco Giacalone, N. Serdar Sariciftci, Natalia-Oxana Lupsac, Francesco Giacalone, Markus Scharber, N. Serdar Sariciftci, Silvia Luzzati, Helmut Neugebauer, Marinella Catellani, José L. Segura, Nazario Martin

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

We present a study on the photoinduced charge transfer properties of a series of alkylthiophene copolymers carrying anthraquinone type acceptor molecules covalently linked to the conjugated backbone. FTIR photoinduced absorption and light-induced electron spin resonance (LESR) experiments demonstrate the photoinduced electron transfer from the polythiophene backbone to the anthraquinone moieties. By changing the content of acceptor molecules, it is possible to tune the number of photogenerated charges as well as their lifetimes. Changes induced by the acceptors to the polythiophene properties are also observed and discussed. © 2003 Elsevier B.V. All rights reserved.
Original languageEnglish
Pages (from-to)731-733
Number of pages3
JournalSynthetic Metals
Volume139
Publication statusPublished - 2003

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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