Article,

Conjugation Length Dependent Ground and Excited State Electronic Behavior in Oligothienyl Ru Complexes

, , , , , and .
Inorganic Chemistry, 45 (18): 7044--7046 (2006)
DOI: 10.1021/ic060912n

Abstract

Photoexcitation of a bis(bipyridyl)-Ru(II) complex bearing a phosphinopentathiophene ligand results in formation of a transient species with a lifetime of 2.2 ms. The transient is attributed to the product of an intramol. charge transfer from the pentathiophene ligand. EPR and UV/vis spectroelectrochem. show that the HOMO is pentathienyl-based, while corresponding complexes with shorter conjugation length ligands have a metal-based HOMO and do not exhibit long-lived transients. on SciFinder(R)

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