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DC electrical conductivity of polyazomethinethiosemicarbazone metal complexes
Author(s) -
ElShekeil Ali,
AlYusufy Fatma,
Abdulla AbdulHafeedh A.
Publication year - 2010
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.31716
Subject(s) - metal , conductivity , electrical resistivity and conductivity , metal ions in aqueous solution , polaron , materials science , doping , ion , polymer , ligand (biochemistry) , polymer chemistry , inorganic chemistry , band gap , chemistry , organic chemistry , physics , metallurgy , composite material , electron , biochemistry , receptor , optoelectronics , quantum mechanics
Polyazomethinethiosemicarbazone (PATS) metal complexes of Ni(II), Co(II), Cu(II), Zn(II), Cd(II) and Hg(II) metal ions were prepared by reacting the polymer ligand (PATS) with the appropriate metal salt in refluxing DMSO. Elemental analyzes as well as FTIR and electronic spectral data are presented to confirm the formulation of the isolated materials. The spectral data show that the ligand polymer is bonded to the metal ions via the thiol sulfur atom and coordinated through the nitrogen of azomethine group. The DC electrical conductivity measurements of PATS and its metal complexes were measured in the range 300–500 K in the annealed and 5% iodine doped forms. The products gave electrical conductivity in the semiconducting region that increased by heat. The DC electrical conductivity is interpreted using the band gap theory using solitons, polarons and bipolarons. © 2010 Wiley Periodicals, Inc. J Appl Polym Sci, 2010

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