Distance-independent photoinduced energy transfer over 1.1 to 2.3 nm in ruthenium trisbipyridine-fullerene assemblies

Frédérique Chaignon, Javier Torroba, Errol Blart, Magnus Borgström, Leif Hammarström, Fabrice Odobel

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Abstract

Ruthenium trisbipyridine C60 dyads linked via para-phenyleneethynylene units have been prepared. They displayed a rapid energy transfer from Ru to C60 with a rate that was independent of distance, from 1.1 to 2.3 nm. The results are explained by a hopping mechanism involving a bridge-localized excited-state. In fact, for the longest bridge this state was lower in energy than the Ru-based MLCT state, as evidenced by the spectroscopic data.

Original languageEnglish
Pages (from-to)1272-1284
Number of pages13
JournalNew Journal of Chemistry
Volume29
Issue number10
DOIs
Publication statusPublished - Oct 2005

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ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)
  • Materials Chemistry

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