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Precisely controlled synthesis of α-/β-MnO2 materials by adding Zn(acac)2 as a phase transformation-inducing agent

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Abstract

In this paper, we present an approach for the precisely controlled phase transformation of MnO2 in order to synthesise different compositions of α-/β-MnO2 materials, by adding a trace amount of Zn(acac)2 as the phase transformation-inducing agent in a hydrothermal reaction. The single-atomic dispersion of Zn might reduce the barrier of phase transformation of δ-MnO2 to β-MnO2. The ratio of the Zn species present in the single-atomic dispersions and nanoclusters might dominate the generation of α-MnO2 and β-MnO2. The results of the oxygen reduction reactions indicate that the MnO2 materials have potential applications as promising catalysts in electrochemical catalysis.

Graphical abstract: Precisely controlled synthesis of α-/β-MnO2 materials by adding Zn(acac)2 as a phase transformation-inducing agent

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Publication details

The article was received on 26 Oct 2017, accepted on 12 Jan 2018 and first published on 12 Jan 2018


Article type: Communication
DOI: 10.1039/C7CC08253C
Citation: Chem. Commun., 2018, Advance Article
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    Precisely controlled synthesis of α-/β-MnO2 materials by adding Zn(acac)2 as a phase transformation-inducing agent

    N. Zhang, L. Li, J. Zhao, T. Yang, G. Zhang, H. He and S. Sun, Chem. Commun., 2018, Advance Article , DOI: 10.1039/C7CC08253C

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