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

Kitamura, Noboru; Kobayashi, Natsuki; Ishizaka, Shoji; Yoshimura, Takashi; Kim, Haeng-Boo; Sasaki, Yoichi

doi:10.1007/s10876-014-0729-x


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

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Title:	Photoinduced Electron Transfer Reactions of Hexarhenium(III) Cluster: Oxidative Quenching of [Re6S8Cl6](4-) Emission by Electron Acceptors
Authors:	Kitamura, Noboru Browse this author →KAKEN DB
	Kobayashi, Natsuki Browse this author
	Ishizaka, Shoji Browse this author
	Yoshimura, Takashi Browse this author
	Kim, Haeng-Boo Browse this author
	Sasaki, Yoichi Browse this author →KAKEN DB
Keywords:	Hexarhenium(III) cluster
	Photoinduced electron transfer
	Charge separation
Issue Date:	1-Jan-2015
Publisher:	Springer/Plenum Publishers
Journal Title:	Journal of cluster science
Volume:	26
Issue:	1
Start Page:	211
End Page:	221
Publisher DOI:	10.1007/s10876-014-0729-x
Abstract:	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.
Rights:	http://creativecommons.org/licenses/by-nc/4.0/
Type:	article
URI:	http://hdl.handle.net/2115/58481
Appears in Collections:	理学院・理学研究院 (Graduate School of Science / Faculty of Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 喜多村昇

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