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Preparation of TiO2 Aerogels-Like Materials Under Ambient Pressure

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Aerogels Handbook

Part of the book series: Advances in Sol-Gel Derived Materials and Technologies ((Adv.Sol-Gel Deriv. Materials Technol.))

Abstract

Highly porous titania is attractive because of various applications such as photocatalysts. Mesoporous titania gels can be prepared by the sol–gel method with templating. The incorporated surfactant micelles or polymer aggregates in wet gels prevent the shrinkage while drying under ambient pressure. The specific surface area, porosity, and pore size, depending on the preparation conditions, for example, species of templating materials, are much larger than those of xerogels but not larger than those of aerogels. The performance of porous titania, for example, the photocatalytic activity, can be improved with suitable pore structure for specific applications.

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Authors and Affiliations

  1. Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama, Japan

    Hiroshi Hirashima

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  1. Hiroshi Hirashima
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Correspondence to Hiroshi Hirashima .

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Editors and Affiliations

  1. Résidence Vert-Pré, Ch. des Placettes 6, Bottens, CH-1041, Switzerland

    Michel A. Aegerter

  2. Technology, Department of Chemistry, Missouri University of Science &, Rolla, 65409, Missouri, USA

    Nicholas Leventis

  3. , Building Technologies Laboratory, Empa, Überlandstrasse 129, Dübendorf, CH-8600, Switzerland

    Matthias M. Koebel

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Hirashima, H. (2011). Preparation of TiO2 Aerogels-Like Materials Under Ambient Pressure. In: Aegerter, M., Leventis, N., Koebel, M. (eds) Aerogels Handbook. Advances in Sol-Gel Derived Materials and Technologies. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-7589-8_7

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  • DOI: https://doi.org/10.1007/978-1-4419-7589-8_7

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  • Publisher Name: Springer, New York, NY

  • Print ISBN: 978-1-4419-7477-8

  • Online ISBN: 978-1-4419-7589-8

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