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Efficient osmium sensitizers containing 2,2 '-bipyridine-4,4 '-bisphosphonic acid ligand.

By H.ZABRI, F. ODOBEL, S. ALTOBELLO, S. CARAMORI and C.A. BIGNOZZI.

Abstract

The synthesis of a series of four complexes of the type Os(bpy-4,4'Po3H2)(2)L-2 (bpy-4,4'PO3H2 = 2,2'-bipyridine-4,4'-bisphosphonic acid and L-2 = Cl-2, (CN)(2), 2,2'-bipyridine-4,4'-bisphosphonic acid or 2,2'-bipyridine-4,4'-dimethoxy) is reported and the spectroscopic, photophysical, and photoelectrochemical properties are presented and compared to the cis-Ru(H(2)dcb)(2)(NCS)(2) (H(2)dcb = 2,2'-bipyridine4,4'-dicarboxylic acid)

Year: 2004
OAI identifier: oai:iris.unife.it:11392/1196674
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