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Issue 25, 2012
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High surface area mesoporous Co3O4 from a direct soft template route

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Abstract

Mesoporous Co3O4 with hexagonally ordered cylindrical channels has been synthesized by a single-step method using Pluronic soft micellar templates. The resulting material has been directly compared to isomorphous Co3O4 that was obtained via an established but laborious five-step nanocasting method. The soft template route employs only surfactant templates and a decane additive, which yields directly mesoporous Co3O4 by a gelling process in a carefully controlled basic (pH = 12.7) alcohol solution at 35 °C. The method is significantly faster and more economical than conventional nanocasting, and has similar overall reproducibility to the conventional multi-step route. The soft templated Co3O4 displays long-range ordered cylindrical microchannels with crystalline walls. Most importantly, it exhibits an unparalleled N2 BET surface area of 367 m2 g−1.

Graphical abstract: High surface area mesoporous Co3O4 from a direct soft template route

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Publication details

The article was received on 23 Jan 2012, accepted on 17 May 2012 and first published on 17 May 2012


Article type: Paper
DOI: 10.1039/C2JM30460K
Citation: J. Mater. Chem., 2012,22, 12675-12681
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    High surface area mesoporous Co3O4 from a direct soft template route

    N. Dahal, I. A. Ibarra and S. M. Humphrey, J. Mater. Chem., 2012, 22, 12675
    DOI: 10.1039/C2JM30460K

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