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Issue 41, 2012
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Improved structural and catalytic attributes of Ba2Co2Fe12−2x(Zr,Ni)xO22 materials synthesized by sol–gel and microwave heating methods

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Abstract

Nominal composition of Zr–Ni co-doped Ba2Co2Fe12−2x(Zr,Ni)xO22 (x = 0.2–1.0) Y-type hexaferrites were synthesized by conventional sol–gel and microwave heating methods. Structural analysis was carried out by TGA, SEM, XRD, O2-TPD and BET surface area. Microwave synthesized samples revealed good morphological properties with high surface area and high porosity compared to that obtained by the sol–gel method. Catalytic decomposition of N2O was achieved at low temperatures of 600 °C and 700 °C for microwave and sol–gel prepared samples, respectively. The catalysts are found workable and stable even at 1146 °C with very good N2O decomposition efficiency. Substituting iron with Zr–Ni further enhanced the catalytic activity in both the cases.

Graphical abstract: Improved structural and catalytic attributes of Ba2Co2Fe12−2x(Zr,Ni)xO22 materials synthesized by sol–gel and microwave heating methods

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Publication details

The article was received on 07 Jul 2012, accepted on 03 Sep 2012 and first published on 04 Sep 2012


Article type: Paper
DOI: 10.1039/C2JM34431A
Citation: J. Mater. Chem., 2012,22, 22190-22197
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    Improved structural and catalytic attributes of Ba2Co2Fe12−2x(Zr,Ni)xO22 materials synthesized by sol–gel and microwave heating methods

    B. Ul-ain, S. Ahmed, Y. Huang, A. Wang and T. Zhang, J. Mater. Chem., 2012, 22, 22190
    DOI: 10.1039/C2JM34431A

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