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Synthesis, characterization, and electrical properties of diazophenylene bridged Co, Ni, Cu, Ce, and Er phthalocyanine polymers

✍ Scribed by Cemil Alkan; Leyla Aras; Güngör Gündüz

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
301 KB
Volume
106
Category
Article
ISSN
0021-8995

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✦ Synopsis

Abstract

In this research, diazophenylene bridged metal‐phthalocyanine (Pc) polymers were produced from diazonium salt of 1,4‐diaminophenylene and presynthesized 1,8,15,22‐tetraamino metal‐Pcs. 1,8,15,22‐Tetraamino metal‐Pc complexes of Co, Ni, Cu, Ce, and Er were obtained by reducing 1,8,15,22‐tetranitro metal‐Pc complexes synthesized from 3‐nitrophthalic anhydride, urea, metal salt, and ammonium molybdate catalyst. Complexes and polymers were characterized by Fourier transform infrared (FTIR), ultraviolet–visible (UV–vis), and X‐ray powder diffraction spectroscopes. X‐ray analysis of the polymers showed that there were short‐range orientations in the polymers. Thermal analysis of the complexes and the polymers were done by differential scanning calorimeter (DSC) and thermal gravimetric analysis (TGA) at a heating rate of 10°C min^−1^ under nitrogen atmosphere. Ash analysis was performed to determine the metal content of the polymers. Viscosimetry and ebullioscopy measurements of the soluble part of the polymers were done for molecular weight analysis of the soluble part in tetrahydrofuran (THF) at 25°C. Four‐probe conductivity measurements on isothermal conditions revealed that the polymer samples showed 10^4^ fold increases in their electrical conductivities when doped with iodine. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2007

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