Synthesis and characterization of TiO2-incorporated silica foams

H.N. Wang; P. Yuan; L. Zhou; Y.N. Guo; J. Zou; A. Yu; G.Q. Lu; C.Z. Yu

doi:10.1007/s10853-009-3578-5

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Synthesis and characterization of TiO2-incorporated silica foams

Journal article

Peer reviewed

Synthesis and characterization of TiO2-incorporated silica foams

H.N. Wang, P. Yuan, L. Zhou, Y.N. Guo, J. Zou, A. Yu, G.Q. Lu and C.Z. Yu

Journal of Materials Science, Vol.44(24), pp.6484-6489

2009

DOI: https://doi.org/10.1007/s10853-009-3578-5

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Abstract

Titania-incorporated silica (TiO2–SiO2) porous materials have great applications in diverse areas. In this work, TiO2–SiO2 porous materials with tunable Si/Ti molar ratio (R) have been successfully prepared through a one-pot method under a near-neutral condition. With decreasing Si/Ti R, a phase transition from a macroporous foam-like structure to mesostructure is observed. The resultant TiO2–SiO2 porous materials possess large surface areas and high pore volumes. In addition, the titania species are homogenously dispersed in silica matrix when Si/Ti R ≥ 10. Our contribution provides a convenient method to synthesize TiO2/SiO2 porous materials with very large pore size, high pore volume, and relatively high titania content well dispersed in the silica wall framework.

Details

Title: Synthesis and characterization of TiO2-incorporated silica foams
Authors/Creators: H.N. Wang (Author/Creator) - Fudan University
P. Yuan (Author/Creator) - Fudan University
L. Zhou (Author/Creator) - Fudan University
Y.N. Guo (Author/Creator) - The University of Queensland
J. Zou (Author/Creator) - The University of Queensland
A. Yu (Author/Creator) - The University of Queensland
G.Q. Lu (Author/Creator) - The University of Queensland
C.Z. Yu (Author/Creator)
Publication Details: Journal of Materials Science, Vol.44(24), pp.6484-6489
Publisher: Springer Verlag
Identifiers: 991005543227407891
Copyright: (c) Springer Verlag
Murdoch Affiliation: Murdoch University
Language: English
Resource Type: Journal article

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Collaboration types: Domestic collaboration; International collaboration
Citation topics: 2 Chemistry; 2.41 Catalysts; 2.41.148 Mesoporous Silica
Web Of Science research areas: Materials Science, Multidisciplinary
ESI research areas: Materials Science