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The Effect of Phase Structure on Physicochemical Properties of TMO materials: A Case of Spinel to Bunsenite

Abstract

It is worthwhile to earnestly investigate the relationship between different phase structures and the physicochemical properties of TMO materials. As a case of investigating the phase structure effect, spinel Co3O4, NiCo2O4, and bunsenite NiO microflowers were rationally synthesized through a facile solvothermal method with post annealing process. The phase structures of final products were controlled by adjusting the Ni/Co addition ratio. The SEM and TEM results revealed that these Ni/Co oxides exhibited similar flower-like morphology, which provided convenience for investigating their physicochemical properties in view of phase structure. Compared with the superparamagnetic behavior of Co3O4, the NiCo2O4 exhibited ferromagnetic characteristics because of the incorporation of nickel into the spinel structure. Co3O4, NiCo2O4 demonstrated higher thermal catalytic ability than bunsenite NiO, which was attributed to the more efficient electron transfer ability of the spinel structure. In view of phase structures, this work provided a prospective case of research on the physicochemical properties of transition metal oxide (TMO) materials.

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Publication details

The article was received on 16 Aug 2017, accepted on 07 Sep 2017 and first published on 07 Sep 2017


Article type: Paper
DOI: 10.1039/C7CE01491K
Citation: CrystEngComm, 2017, Accepted Manuscript
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    The Effect of Phase Structure on Physicochemical Properties of TMO materials: A Case of Spinel to Bunsenite

    C. Wang, Y. Zhao, X. Zhai, D. Su, C. Ding, J. Li and H. Jin, CrystEngComm, 2017, Accepted Manuscript , DOI: 10.1039/C7CE01491K

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