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Synthesis of Os(II)-Re(I)-Ru(II) Hetero-Trinuclear Complexes and Their Photophysical Properties and Photocatalytic Abilities

Abstract

Photofunctional trinuclear complexes containing three different central metals, i.e. Os(II), Re(I) and Ru(II), were synthesised for the first time using stepwise Mizoroki-Heck reactions. The vinylene groups in the bridging ligands of the Os(II)-Re(I)-Ru(II) trinuclear complexes were selectively reduced by photochemical hydrogenation in moderate yield, affording novel supramolecular photocatalysts which can absorb a wide range of visible light up to 730 nm and induce CO2 reduction with high selectivity and durability. The turnover numbers of CO formation were over 4800. Details of the photophysical properties of these new trinuclear complexes, especially their intramolecular excitation-energy transfer phenomena, are also reported.

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Publication details

The article was received on 24 Sep 2017, accepted on 29 Nov 2017 and first published on 04 Dec 2017


Article type: Edge Article
DOI: 10.1039/C7SC04162D
Citation: Chem. Sci., 2017, Accepted Manuscript
  • Open access: Creative Commons BY-NC license
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    Synthesis of Os(II)-Re(I)-Ru(II) Hetero-Trinuclear Complexes and Their Photophysical Properties and Photocatalytic Abilities

    Y. Yamazaki and O. Ishitani, Chem. Sci., 2017, Accepted Manuscript , DOI: 10.1039/C7SC04162D

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