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Issue 15, 2012
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Synthesis of mesoporous carbon/iron carbide hybrids with unusually high surface areas from the ionic liquid precursor [Bmim][FeCl4]

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Abstract

Mesoporous carbon/iron carbide hybrid materials with surface areas reaching 800 m2 g−1 were synthesized via an exotemplating route using monolithic mesoporous silica as template and the ionic liquid 1-butyl-3-methylimidazolium tetrachloridoferrate(III) [Bmim][FeCl4] as carbon and iron source. After heat treatment (750 °C under argon) of the [Bmim][FeCl4] precursor confined within the silica matrix, the silica exotemplate was removed with HF leaving the mesoporous C/Fe3C hybrid behind. The surface areas and the pore sizes depend on the exotemplate and the surface areas a significantly larger than any other surface area reported for C/Fe3C hybrid materials so far. The approach is thus a prototype for the synthesis of high-surface area iron carbide-based hybrid materials with potential application in catalysis.

Graphical abstract: Synthesis of mesoporous carbon/iron carbide hybrids with unusually high surface areas from the ionic liquid precursor [Bmim][FeCl4]

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Publication details

The article was received on 13 Jan 2012, accepted on 12 Jun 2012 and first published on 13 Jun 2012


Article type: Paper
DOI: 10.1039/C2CE25064K
Citation: CrystEngComm, 2012,14, 4946-4951
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    Synthesis of mesoporous carbon/iron carbide hybrids with unusually high surface areas from the ionic liquid precursor [Bmim][FeCl4]

    R. Göbel, Z. Xie, M. Neumann, C. Günter, R. Löbbicke, S. Kubo, M. Titirici, C. Giordano and A. Taubert, CrystEngComm, 2012, 14, 4946
    DOI: 10.1039/C2CE25064K

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