Conclusions
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1.
The paramagnetism detected in chelate polymers based on quinizarin and bis-hydroxyquinolylmethane with Ni+2, Co+2, Mn+2, Cu+2, and Zn+2 is determined not only by the behavior of the paramagnetic ions, but also by the specific properties of the entire chelate polymer, containing a system of aromatic π-bonds. In particular, a narrow EPR signal is found in the spectrum of the polymer with the diamagnetic ion Zn+2.
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2.
In electrical properties, the chelate polymers studied are typical organic semiconductors. The electrical characteristics depend little on the nature of the metal and the molecular weight, which is evidence of the deciding role of the structure of the polymer in the creation of semiconductor properties.
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3.
The concepts of complexes with charge transfer were utilized to explain the results obtained.
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Translated from Izvestiya Akademii Nauk SSSR, Seria Khimicheskaya, No. 10, pp. 1769–1775, October, 1964
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Slinkin, A.A., Dulov, A.A. & Rubinshtein, A.M. Magnetic and electrical properties of chelate polymers. Russ Chem Bull 13, 1679–1684 (1964). https://doi.org/10.1007/BF00849428
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DOI: https://doi.org/10.1007/BF00849428