Synthesis of Os(II)-Re(I)-Ru(II) hetero-trinuclear complexes and their photophysical properties and photocatalytic abilities

被引：36

作者：

Yamazaki, Yasuomi ^{[1
]}

Ishitani, Osamu ^{[1
]}

机构：

[1] Tokyo Inst Technol, Grad Sch Sci & Engn, Dept Chem, Meguro Ku, 2-12-1-NE-1 Ookayama, Tokyo 1528550, Japan

来源：

CHEMICAL SCIENCE | 2018年 / 9卷 / 04期

关键词：

INTRAMOLECULAR ENERGY-TRANSFER; SINGLE-STEP SYNTHESIS; CO2; REDUCTION; METAL-COMPLEXES; COORDINATION-COMPOUNDS; BUILDING-BLOCKS; CYCLAM CYCLAM; PHOTOREDUCTION; PHOTOCHEMISTRY; NICKEL(II);

D O I：

10.1039/c7sc04162d

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

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页码：1031 / 1041

页数：11

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