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 > Departement of Chemistry and Biochemistry

UniBE Contributor:

Liu, Shi-Xia and Decurtins, Silvio

ISSN:

0020-1669

Publisher:

American Chemical Society

Language:

English

Submitter:

Factscience Import

Date Deposited:

04 Oct 2013 14:26

Last Modified:

17 Mar 2015 21:09

Publisher DOI:

10.1021/ic101951n

Web of Science ID:

000290457700019

URI:

https://boris.unibe.ch/id/eprint/9541 (FactScience: 215291)

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