Synthesis And Characterization Of Trimellitic Anhydride Based Phthalocyanine Metal Complexes

A wide range of applications of phthalocyanine complexes which ranges from medical tornindustrial makes them interesting research area now days. Their properties can be tunedrnby introducing substituents on the periphery or/and the central metal. On the basis ofrnthese; Copper (II) phthalocyanine tetrcarboxylic acid and Ni (II) phthalocyaninerntetracarboxylic acid; have been synthesized by template method of synthesis fromrntrimellitic anhydride and urea in the presence of ammonium molybdate catalyst in highrnboiling solvent nitrobenzene. Both complexes were characterized on the basis of molarrnconductance, magnetic susceptibility and UV-Vis spectra analysis. The UV-Visrnabsorption spectra shows B(soret) and Q bands which are characteristic absorptionrnspectra of phthalocyanine complexes. The magnetic susceptibility result indicates that,rnthe synthesized Ni(II) complex is not square planar, but octahedral.rnKeywords: phthalocyanine, tetracarboxy metallophthalocyanine, template synthesis

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