Local coordination of Co^sup 2+^ and Ni^sup 2+^ cations in polyacrylate matrices

Local coordination of Co^sup 2+^ and Ni^sup 2+^ cations in polyacrylate matrices

Parameters of the local coordination of Co2+ and Ni2+ cations in polymer matrices are determined by XAFS spectroscopy at the K edges of the corresponding elements. Ion-exchange complexes of Ni2+ and polymethacrylate, low-molecular acrylamide complexes [M(CH2=CHC(O)NH2)6](NO3)2 (M = Co or Ni), and pr...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics Vol. 77; no. 9; p. 1127
Main Authors: Trofimova, N N, Zubavichus, Ya V, Titova, O I, Karpyuk, E A, Ivanov, V A, Pomogailo, A D, Slovokhotov, Yu L
Format: Journal Article
Language:English
Published: New York Springer Nature B.V 01-09-2013
Subjects:
Acrylamide
Carbon dioxide
Cationic polymerization
Ion exchange
Polymerization
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Summary:Parameters of the local coordination of Co2+ and Ni2+ cations in polymer matrices are determined by XAFS spectroscopy at the K edges of the corresponding elements. Ion-exchange complexes of Ni2+ and polymethacrylate, low-molecular acrylamide complexes [M(CH2=CHC(O)NH2)6](NO3)2 (M = Co or Ni), and products of their thermal polymerization are investigated. The final results are in agreement with the octahedral coordination of M atoms (average distances, 2.10-2.11 (Co-O) and 2.05-2.06 Å (Ni-O).
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873813090463