Photoinduced Electron Transfer Reactions of Hexarhenium(III) Cluster: Oxidative Quenching of [Re6S8Cl6]4- Emission by Electron Acceptors

被引：3
|
作者：
Kitamura, Noboru [1 ]
Kobayashi, Natsuki [1 ]
Ishizaka, Shoji [1 ]
Yoshimura, Takashi [1 ]
Kim, Haeng-Boo [1 ]
Sasaki, Yoichi [1 ]
机构：
[1] Hokkaido Univ, Fac Sci, Dept Chem, Sapporo, Hokkaido 0600810, Japan
来源：
JOURNAL OF CLUSTER SCIENCE | 2015年 / 26卷 / 01期
关键词：
Hexarhenium(III) cluster; Photoinduced electron transfer; Charge separation; RUTHENIUM(II) COMPLEXES; EXCITED-STATE; LIGANDS SYNTHESIS; REDOX; LUMINESCENCE; SE; RU(BPY)3(2+); TEMPERATURE; CORE; BR;
D O I：
10.1007/s10876-014-0729-x
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
The photoredox ability of a hexarhenium(III) cluster, [Re-6(mu (3)-S)(8)Cl-6](4-), in acetonitrile was examined on the basis of the emission quenching experiments of the cluster by a series of neutral organic electron acceptors (A). The photoinduced electron transfer quenching rate constants and the relevant activation parameters demonstrated that the hexarhenium(III) cluster acted as a useful photoredox sensitizer towards various A and the system gave a high charge separation yield owing to electrostatic repulsion between the product ions: [Re-6(mu (3)-S)(8)Cl-6](3-) and A (-). These results were proved explicitly by nanosecond transient absorption spectroscopy.
引用
收藏
页码：211 / 221
页数：11
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