Synthesis and Characterization of Trimellitic Anhydride Based Phthalocyanine Metal Complexes
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Date
2010-06
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Addis Ababa Universty
Abstract
A wide range of applications of phthalocyanine complexes which ranges from medical to
industrial makes them interesting research area now days. Their properties can be tuned
by introducing substituents on the periphery or/and the central metal. On the basis of
these; Copper (II) phthalocyanine tetrcarboxylic acid and Ni (II) phthalocyanine
tetracarboxylic acid; have been synthesized by template method of synthesis from
trimellitic anhydride and urea in the presence of ammonium molybdate catalyst in high
boiling solvent nitrobenzene. Both complexes were characterized on the basis of molar
conductance, magnetic susceptibility and UV-Vis spectra analysis. The UV-Vis
absorption spectra shows B(soret) and Q bands which are characteristic absorption
spectra of phthalocyanine complexes. The magnetic susceptibility result indicates that,
the synthesized Ni(II) complex is not square planar, but octahedral.
Keywords: phthalocyanine, tetracarboxy metallophthalocyanine, template synthesis
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Keywords
phthalocyanine; tetracarboxy metallophthalocyanine; template synthesis