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A facile template-free preparation of porous manganese oxides by thermal decomposition method

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Inorganic Materials Aims and scope

Abstract

Porous Manganese oxides with large surface area were prepared by a facile template-free method. Highly crystallized MnCO3 precursors with micron size in high dispersivity were prepared in water first. Thermal treatment was carried out with the obtained composite at different temperatures to produce porous manganese oxides. Thermogravimetry and differential thermal analysis (TG-DTA), X-ray powder diffraction (XRD), Scanning electron microscopy (SEM) and N2 adsorption-desorption measurements were applied to characterize the porous manganese oxides. Amorphous MnO2 obtained at 400°C shows a mesoporous structure and has a large specific surface area of 135.1 m2/g. Well crystallized α-Mn2O3 crystal with surface area of 18.51 m2/g macroporous framework was obtained at 600°C.

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Authors and Affiliations

  1. Chemistry Department, Zhejiang University, Hangzhou, 310027, People’s, Republic of China

    Xianzhong Zhang & Linhai Yue

  2. Center of Materials Engineering, Zhejiang Sci-Tech University, Xiasha University Town, Hangzhou, 310018, People’s Republic of China

    Dalai Jin

  3. College of Chemical Engineering and Materials Science, Zhejiang University of Technology, Hangzhou, 310014, People’s Republic of China

    Yifan Zheng

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  1. Xianzhong Zhang
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  2. Linhai Yue
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  3. Dalai Jin
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  4. Yifan Zheng
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Correspondence to Linhai Yue.

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Zhang, X., Yue, L., Jin, D. et al. A facile template-free preparation of porous manganese oxides by thermal decomposition method. Inorg Mater 46, 51–54 (2010). https://doi.org/10.1134/S0020168510010127

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  • DOI: https://doi.org/10.1134/S0020168510010127

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