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Interlayer photoinduced electron transfer in Langmuir-Blodgett films based on porphyrin and phthalocyanine derivatives

  • A. S. Alekseev
  • A. V. Efimov
  • N. V. Tkachenko
  • P. A. Saltykov
  • H. Lemmetyinen
Article

Abstract

Vectorial photoinduced electron transfer was studied in Langmuir-Blodgett films. The monolayers of polythiophene and phthalocyanine were used as secondary electron donors in multilayers together with the monolayer of porphyrin-fullerene donor-acceptor dyad molecules mixed with octadecylamine (1:9). Simultaneous utilization of all the three compounds in the preparation of three-layer samples allowed us to widen the range of the visible light absorption by the structure. The relative sensitivity of the sample to the excitation laser light increased by about 350 times compared with that of a dyad monolayer.

Keywords

Fullerene Porphyrin Phthalocyanine Polythiophene Photoinduced Electron Transfer 
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Copyright information

© Allerton Press, Inc. 2008

Authors and Affiliations

  • A. S. Alekseev
    • 1
  • A. V. Efimov
    • 2
  • N. V. Tkachenko
    • 2
  • P. A. Saltykov
    • 1
  • H. Lemmetyinen
    • 2
  1. 1.Prokhorov General Physics InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Institute of Materials ChemistryTampere University of TechnologyTampereFinland

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