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 resorcinol-formaldehyde 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.

Original languageEnglish (US)
Pages (from-to)13232-13240
Number of pages9
JournalJournal of Materials Chemistry
Volume21
Issue number35
DOIs
StatePublished - Sep 21 2011

Fingerprint

Antimony
Tin oxides
Gels
Formaldehyde
Drying
Polymers
Composite materials
Calcination
Pore size
Porosity
Polymerization
stannic oxide
Heating

ASJC Scopus subject areas

  • Materials Chemistry
  • Chemistry(all)

Cite this

One-pot synthesis of highly mesoporous antimony-doped tin oxide from interpenetrating inorganic/organic networks. / Volosin, Alex M.; Sharma, Sudhanshu; Traverse, Christopher; Newman, Nathan; Seo, Dong.

In: Journal of Materials Chemistry, Vol. 21, No. 35, 21.09.2011, p. 13232-13240.

Research output: Contribution to journalArticle

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