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Issue 35, 2011
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One-pot synthesis of highly mesoporous antimony-doped tin oxide from interpenetrating inorganic/organic networks

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Abstract

Highly mesoporous antimony-doped tin oxide (ATO) materials with three-dimensionally connected textural pores were prepared by a convenient one-pot process by creating, drying and calcining hydrous ATO and resorcinolformaldehyde composite gels. The synthesis is designed to form a hydrous ATO gel structure first at room temperature and upon subsequent heating at 70 °C the inorganic gel network catalyzes the full polymerization of resorcinol and formaldehyde. The resulting polymer network interpenetrates the inorganic gel network and serves as a hard template during drying and calcination. The final products show a good crystallinity and have high surface areas up to 100 m2 g−1 and high porosities up to 69%. The average pore sizes range from 7 to 33 nm, controlled mainly by varying the amount of the polymer component in the composite gels. The materials exhibit remarkably low resistivities (>0.14 Ω cm) for a mesoporous ATO material.

Graphical abstract: One-pot synthesis of highly mesoporous antimony-doped tin oxide from interpenetrating inorganic/organic networks

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Publication details

The article was received on 26 May 2011, accepted on 12 Jul 2011 and first published on 08 Aug 2011


Article type: Paper
DOI: 10.1039/C1JM12362A
Citation: J. Mater. Chem., 2011,21, 13232-13240
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    One-pot synthesis of highly mesoporous antimony-doped tin oxide from interpenetrating inorganic/organic networks

    A. M. Volosin, S. Sharma, C. Traverse, N. Newman and D. Seo, J. Mater. Chem., 2011, 21, 13232
    DOI: 10.1039/C1JM12362A

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