Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2012 Vol: 4 Issue: 9

Synthesis, characterization, infrared studies, and thermal analysis of bimetal carboxylates and its decomposition product Co2NiO4

Abstract

A good precursor is foremost in the preparation of nanosized metal or mixed metal oxides. Metal carboxylatehydrazinates are very good precursors for the synthesis of metal as well as mixed metal oxides as these, most of the times decomposes to nanosized oxides with high surface area at comparatively lower temperatures. In the present study one such novel precursor has been prepared and characterized by IR and TG-DTA. The thermal decomposition of the precursor has also been studied by isothermal, differential thermal analysis (DTA) and thermogravimetric analysis (TG). The precursor shows dehydrazination followed by decarboxylation to form NiCo2O4. The infrared spectra show N–N stretching frequency at 980 cm–1which confirms the bidentate bridging hydrazine.