Issue 4, 2018

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 4300. Details of the photophysical properties of these new trinuclear complexes, especially their intramolecular excitation-energy transfer phenomena, are also reported.

Graphical abstract: Synthesis of Os(ii)–Re(i)–Ru(ii) hetero-trinuclear complexes and their photophysical properties and photocatalytic abilities

Supplementary files

Article information

Article type
Edge Article
Submitted
24 Sep 2017
Accepted
29 Nov 2017
First published
04 Dec 2017
This article is Open Access

All publication charges for this article have been paid for by the Royal Society of Chemistry
Creative Commons BY-NC license

Chem. Sci., 2018,9, 1031-1041

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., 2018, 9, 1031 DOI: 10.1039/C7SC04162D

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