Synthesis and Characterization of a Novel Linear Trinuclear Ruthenium(II) Complex:  Variation of Photosensitization Ability with Chain Length in a Homologous Series

A new, one-step preparation of 1,4-di(2,2‘:6‘,2‘ ‘-terpyridin-4‘-yl)benzene was employed in the synthesis of a linear trinuclear Ru(II) complex, which was compared to mononuclear and dinuclear analogues using UV−vis spectrometry, cyclic voltammetry, and ability to sensitize the photogeneration of me...

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Bibliographic Details
Published in:Inorganic chemistry 2002-08, Vol.41 (16), p.4081-4083
Main Authors: Vaduvescu, Simona, Potvin, Pierre G
Format: Article
Language:English
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Summary:A new, one-step preparation of 1,4-di(2,2‘:6‘,2‘ ‘-terpyridin-4‘-yl)benzene was employed in the synthesis of a linear trinuclear Ru(II) complex, which was compared to mononuclear and dinuclear analogues using UV−vis spectrometry, cyclic voltammetry, and ability to sensitize the photogeneration of methyl viologen radical cation. The chain length-dependent increase in sensitization ability was consistent with an increasing molar absorbance and with an end-on approach of the photoreactants mitigating the increasing charge.
ISSN:0020-1669
1520-510X
DOI:10.1021/ic025511w