Issue 35-36, 2005

Syntheses and characterization of highly mesoporous crystalline TiO2 macrocellular foams

Abstract

Titanium dioxide open-cell macro-cellular foams have been generated with emphasis toward controlling macro-, meso- and microstructures thus reaching hierarchically organized inorganic architectures. At the macroscopic length scale a non-static air–liquid foam strategy allows strong control over the open-cell morphologies. At the meso- and/or nanoscopic length scales various mesogenic templates or latex colloids have been used to promote mesoporosity. Among the strategies in use, a Pluronic copolymer P-123 combined with tetradecyltrimethylammonium bromide induce vermicular-like mesoporosity associated with a specific surface area around 400 m2 g−1. At the microscopic length scale, upon the use of specific thermal treatment, either monophasic anatase, biphasic anatase–rutile or monophasic rutile allotropic forms are obtained.

Graphical abstract: Syntheses and characterization of highly mesoporous crystalline TiO2 macrocellular foams

Supplementary files

Article information

Article type
Paper
Submitted
29 Mar 2005
Accepted
21 Jun 2005
First published
11 Jul 2005

J. Mater. Chem., 2005,15, 3887-3895

Syntheses and characterization of highly mesoporous crystalline TiO2 macrocellular foams

F. Carn, M. Achard, O. Babot, H. Deleuze, S. Reculusa and R. Backov, J. Mater. Chem., 2005, 15, 3887 DOI: 10.1039/B504336K

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