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A Ruthenium Complex-Porphyrin-Fullerene-Linked Molecular Pentad as an Integrative Photosynthetic Model.
Yamamoto, Masanori; Föhlinger, Jens; Petersson, Jonas; Hammarström, Leif; Imahori, Hiroshi.
Afiliação
  • Yamamoto M; Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan.
  • Föhlinger J; Department of Chemistry, Ångström Laboratory, Uppsala University, Box 532, 75120, Uppsala, Sweden.
  • Petersson J; Department of Chemistry, Ångström Laboratory, Uppsala University, Box 532, 75120, Uppsala, Sweden.
  • Hammarström L; Department of Chemistry, Ångström Laboratory, Uppsala University, Box 532, 75120, Uppsala, Sweden.
  • Imahori H; Department of Molecular Engineering, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto, 615-8510, Japan.
Angew Chem Int Ed Engl ; 56(12): 3329-3333, 2017 03 13.
Article em En | MEDLINE | ID: mdl-28194929
A ruthenium complex, porphyrin sensitizer, fullerene acceptor molecular pentad has been synthesized and a long-lived hole-electron pair was achieved in aqueous solution by photoinduced multistep electron transfer: Upon irradiation by visible light, the excited-state of a zinc porphyrin (1 ZnP*) was quenched by fullerene (C60 ) to afford a radical ion pair, 1,3 (ZnP.+ -C60.- ). This was followed by the subsequent electron transfer from a water oxidation catalyst unit (RuII ) to ZnP.+ to give the long-lived charge-separated state, RuIII -ZnP-C60.- , with a lifetime of 14 µs. The ZnP worked as a visible-light-harvesting antenna, while the C60 acted as an excellent electron acceptor. As a consequence, visible-light-driven water oxidation by this integrated photosynthetic model compound was achieved in the presence of sacrificial oxidant and redox mediator.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Japão País de publicação: Alemanha

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Revista: Angew Chem Int Ed Engl Ano de publicação: 2017 Tipo de documento: Article País de afiliação: Japão País de publicação: Alemanha