Structure and electrocatalytic activity of composites of polyaniline doped with nickel (II) and cobalt (II) chlorides
Abstract
Polyaniline composites containing Ni(II) and Co(II) chlorides were synthesized by a method in situ during oxidative polymerization process of aniline with and without metal cations reduction using sodium borohydride and hydrazine hydrate. The structure of the composites was studied by the methods of IR spectroscopy, X-ray diffraction and electronic microscopy. The electrocatalytic activity of the polyaniline-metal composites was investigated in a hydrogenation of crotonic acid, and it was higher for Co-containing composites. In the phase constitution of PAni+MeCl2 composites after hydrogenation were detected the crystal phases of nickel and cobalt hydroxides which define apparently their catalytic activity.References
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