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Localization of electronic excitation energy in Ru(2,2′-bipyridine)2(2,2′-bipyridine-4,4′-dicarboxylic acid)2+ and related complexes

✍ Scribed by James Ferguson; Albert W.-H. Mau; Wolfgang H.F. Sasse

Publisher: Elsevier Science
Year: 1979
Tongue: English
Weight: 338 KB
Volume: 68
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(79)80058-5

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✦ Synopsis

Di&ision of Applied Organic Cltentistr~ . CSIRO. G_P_O_ MeIbounte. Victoria 3001. Australia Receired 29 August I979 The absorption spectra of Ru(_ '.2'-bipl ridine)z (2,2'-bipyridine-1_4'-dicarbo\vlic acid)*+ (I) and its diethll ester (II) are _ JoseI& r&ted 2nd zre both signiftcrtnr& different from the spectra of the mono-protonated Iia) and deprotonated (lb) compkwr Luminescence polarization measurements show that for I and II the luminescent states hme the transferred electron in the bipy-4,4'(COOH)~ and bipy-1A'fCOOEt)~ ligands. respective&, rather than in the unsubstituted bipy ligzmdr

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