Enhanced surface area in thermally stable pure mesoporous TiO2

Saúl Cabrera, Jamal El Haskouri, Aurelio Beltrán-Porter, Daniel Beltrán-Porter, M. Dolores Marcos, Pedro Amorós

Research output: Contribution to journalArticlepeer-review

107 Scopus citations

Abstract

We describe here for the first time the surfactant-assisted synthesis of thermally stable mesoporous pure TiO2 having a high surface area. Our synthetic approach to the chemistry of this system is based on the equilibrium between the hydrolysis and condensation reactions of the inorganic species and the organic-inorganic self-assembling processes. The use of titanatrane complexes helps to retard the hydrolysis and condensation reactions, thus allowing us to overcome the difficulties in preparing titanium dioxide mesoporous materials starting from highly reactive Ti-alkoxides. The mesoporous material has been characterized by TEM, XRD and N2 adsorption-desorption isotherms and displays a typical wormhole-like pore structure. (C) 2000 Editions scientifiques et medicales Elsevier SAS.

Original languageEnglish
Pages (from-to)513-518
Number of pages6
JournalSolid State Sciences
Volume2
Issue number5
DOIs
StatePublished - 2000
Externally publishedYes

Keywords

  • Mesoporous materials
  • Titania

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