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Synthesis, characterization and some properties of amide-linked porphyrin-ruthenium(II) tris(bipyridine) complexes
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2005 (English)In: Tetrahedron, ISSN 0040-4020, E-ISSN 1464-5416, Vol. 61, no 23, 5655-5662 p.Article in journal (Refereed) Published
Abstract [en]

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.

Place, publisher, year, edition, pages
2005. Vol. 61, no 23, 5655-5662 p.
Keyword [en]
porphyrin, ruthenium, electrochemistry, photophysics, photoinduced electron-transfer, energy-transfer, porphyrin, ruthenium(ii), systems, state, myoglobin, behavior, ligands, design
URN: urn:nbn:se:kth:diva-14782DOI: 10.1016/j.tet.2005.03.060ISI: 000229422300024ScopusID: 2-s2.0-19044397890OAI: diva2:332823
QC 20100525Available from: 2010-08-05 Created: 2010-08-05Bibliographically approved

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