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Cited by 402

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Synthesis of brookite TiO2 nanoparticles by thermolysis of TiCl4 in strongly acidic aqueous media

Pottier, Agnès, Chanéac, Corinne, Tronc, Elisabeth, Mazerolles, Léo, Jolivet, Jean-Pierre·2001·Journal of Materials Chemistry

Abstract

Nanometric particles of titania, brookite and rutile polymorphs were synthesised by thermolysis of TiCl4 in concentrated HCl solutions. The Cl∶Ti molar ratio seems to be the key factor in determining the crystalline phases and their relative proportions as well as the particle size and a large proportion of brookite can be obtained under specific conditions. The complex Ti(OH)2(Cl)2(OH2)2 seems to be the precursor of the brookite phase. The presence of chloride ions is also necessary to stabilise brookite in suspension. Depending on the acidity and the ageing conditions, different morphologies of brookite nanoparticles are obtained, namely spheroidal particles or platelets. Stable sols of pure brookite are obtained by peptization of the solid phase.

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Crossref · 10.1039/b100435m

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Metadata

Authors
Pottier, A., Chanéac, C., Tronc, E., Mazerolles, L., & Jolivet, J.-P.
Venue
Journal of Materials Chemistry
Published
2001
Volume
11
Issue
4
Pages
1116-1121
ISSN
  • 0959-9428 (ISSN-L)
  • 1364-5501
OpenAlex
W2083833748
Cited by
402
References
2
FWCI
10.67
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Synthesis of brookite TiO2 nanoparticles by thermolysis of TiCl4 in strongly acidic aqueous media. https://app.cochat.ai/papers/10.1039/b100435m
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Pottier, A., Chanéac, C., Tronc, E., Mazerolles, L., & Jolivet, J.-P. (2001). Synthesis of brookite TiO2 nanoparticles by thermolysis of TiCl4 in strongly acidic aqueous media. Journal of Materials Chemistry. https://doi.org/10.1039/b100435m

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