Synthesis, characterization and some properties of amide-linked porphyrin-ruthenium(II) tris(bipyridine) complexes
Release Time:2019-03-10 Hits:
Indexed by: Journal Article
Date of Publication: 2005-06-06
Journal: TETRAHEDRON
Included Journals: Scopus、SCIE
Volume: 61
Issue: 23
Page Number: 5655-5662
ISSN: 0040-4020
Key Words: porphyrin; ruthenium; electrochemistry; photophysics
Abstract: A new molecular dyad, comprised of a zinc-porphyrin and a ruthenium(II) tris(bipyridine) complex linked through an amide bond has been synthesized and characterized by H-1, C-13 NMR, UV-vis, mass-spectrometry and elemental analysis. The electrochemistry as well as the steady-state emission properties were investigated. The redox behavior of the dyad exhibits a favorable reversible characteristic. Substantial quenching of porphyrin emission was found when the Q hand of 5 and 5-Zn was selectively photoexcited. This observation suggests a quenching mechanism with possible intramolecular electron transfer or energy transfer between the Ru(bpy)(3) moiety and the porphyrin free-base or Zn porphyrin moieties. (c) 2005 Elsevier Ltd. All rights reserved.
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