Mimicking photosystem II reactions in artificial photosynthesis

L. Hammarström, L. Sun, A. Magnusson, Y. Frapart, H. Berglund-Baudin, B. Åkermark, S. Styring

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The paper describes a project aiming at the construction of functional mimics of the oxygen evolving complex of Photosystem II, coupled to photoinduced charge separation. Biomimetic electron donors -manganese complexes and tyrosine -have been linked to a Ru(II)-polypyridine photosensitizer. Oxidation of the donors by intramolecular electron transfer from the photo-oxidized Ru(III) complex was demonstrated using optical flash photolysis and EPR experiments. A step-wise electron transfer Mn → tyrosine → Ru(III) was demonstrated, in a sequence analogous to reactions of the PSII donor side.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalZeitschrift fur Physikalische Chemie
Volume213
Issue number2
DOIs
Publication statusPublished - 1999

Keywords

  • Artificial photosynthesis
  • Electron transfer
  • Manganese
  • Photosystem II
  • Ruthenium

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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