Effect of the Addition of a Fused Donor-Acceptor Ligand on a Ru(II) Complex: Synthesis, Characterization, and Photoinduced Electron Transfer Reactions of Ru(TTF-dppz)(2)(Aqphen) (2+)

Dupont, Nathalie; Ran, Ying-Fen; Jia, Hong-Peng; Grilj, Jakob; Ding, Jie; Liu, Shi-Xia; Decurtins, Silvio; Hauser, Andreas (2011). Effect of the Addition of a Fused Donor-Acceptor Ligand on a Ru(II) Complex: Synthesis, Characterization, and Photoinduced Electron Transfer Reactions of Ru(TTF-dppz)(2)(Aqphen) (2+). Inorganic chemistry, 50(8), pp. 3295-3303. Washington, D.C.: American Chemical Society 10.1021/ic101951n

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The synthesis and the photophysical properties of the complex [Ru(TTF-dppz)(2)(Aqphen)](2+) (TTF = tetrathiafulvalene, dppz = dipyrido-[3,2-a:2',3'-c]phenazine, Aqphen = anthraquinone fused to phenanthroline via a pyrazine bridge) are described. In this molecular triad excitation into the metal ligand charge transfer bands results in the creation of a long-lived charge separated state with TTF acting as electron donor and anthraquinone as terminal acceptor. The lifetime of the charge-separated state is 400 ns in dichloromethane at room temperature. A mechanism for the charge separation involving an intermediate charge-separated state is proposed based on transient absorption spectroscopy.

Item Type:	Journal Article (Original Article)
Division/Institute:	08 Faculty of Science > Department of Chemistry, Biochemistry and Pharmaceutical Sciences (DCBP)
UniBE Contributor:	Liu, Shi-Xia, Decurtins, Silvio
ISSN:	0020-1669
Publisher:	American Chemical Society
Language:	English
Submitter:	Factscience Import
Date Deposited:	04 Oct 2013 14:26
Last Modified:	05 Dec 2022 14:08
Publisher DOI:	10.1021/ic101951n
Web of Science ID:	000290457700019
URI:	https://boris.unibe.ch/id/eprint/9541 (FactScience: 215291)