Studies on tetra-amine phthalocyanines

Achar, B. N. and Lokesh, K. S. (2004) Studies on tetra-amine phthalocyanines. Journal of Organometallic Chemistry, 689 (21). pp. 3357-3361. ISSN 0022-328X

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Metal(II) tetranitro phthalocyanines of cobalt, nickel and copper are synthesized in pure state by a novel modified method. The complexes are characterized using elemental, electronic and IR spectral studies. Pure metal(II) tetra-amino phthalocyanines of cobalt, nickel and copper are synthesized by reducing the nitro groups of the above complexes using sodium sulphide. These complexes are also characterized by elemental, electronic, IR spectral and magnetic susceptibility measurements. The nature of the electrical conductivities of the above three metal(II) tetra-amino phthalocyanine derivatives are studied in the temperature range 303-473 K and the data are presented. Among the effect of various substituent groups on the electrical conducting property of phthalocyanine, amine group substituent on the peripheral benzene ring of the phthalocyanine molecule has been found to increase electrical conductivity to a greatest extent. These complexes showed about 10(5)-10(6) times higher electrical conductivities compared to their parent phthalocyanine compounds. (C) 2004 Elsevier B.V. All rights reserved.

Item Type: Article
Uncontrolled Keywords: metal(II) tetra-amino phthalocyanine; metal(II) tetranitro phthalocyanine; magnetic property; electrical conductivity
Subjects: C Chemical Science > Chemistry
Divisions: Department of > Chemistry
Depositing User: Users 23 not found.
Date Deposited: 04 Sep 2019 11:01
Last Modified: 07 Jul 2022 06:37

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