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Axial ligand exchange reaction on ruthenium phthalocyanines
2005 (English)In: Journal of Porphyrins and Phthalocyanines, ISSN 1088-4246, E-ISSN 1099-1409, Vol. 9, no 4, 248-255 p.Article in journal (Refereed) Published
Abstract [en]

Bis(4-methylpyridine)phthalocyaninato ruthenium(II) has been synthesized. It was proved by single-crystal X-ray diffraction that the central Ru(II) atom is bonded to six N atoms in an elongated octahedral configuration, and the axial ligands have a significantly longer Ru-N bond distance, 2.101(4) angstrom, than the independent pyrrol Ru-N bond, 1.99 angstrom. Therefore, the axial ligands can be exchanged by other ligands. The ligand exchange reactions with diethyl pyridyl-4-phosphonate and diethyl pyridylmethyl-4-phosphonate were studied in high boiling-point solvents at elevated temperatures, ca 160 degrees C. Mono-ligand as well as double-ligand replaced complexes were obtained. The complexes have been isolated by column chromatography. These complexes have potential applications, such as in dye sensitized solar cells.

Place, publisher, year, edition, pages
2005. Vol. 9, no 4, 248-255 p.
Keyword [en]
ruthenium phthalocyanines, axial ligand exchange, dye sensitized solar cells, nanocrystalline tio2 films, soluble metallophthalocyanines, ir sensitization, solar-cells, efficient, electrode, bond
Identifiers
URN: urn:nbn:se:kth:diva-14969ISI: 000231125500003Scopus ID: 2-s2.0-23644456162OAI: oai:DiVA.org:kth-14969DiVA: diva2:333010
Note
QC 20100525Available from: 2010-08-05 Created: 2010-08-05 Last updated: 2017-12-12Bibliographically approved

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