Facile preparation of anatase/SiO2 spherical nanocomposites and their application in self-cleaning textiles

Kaihong Qi; Xianqiong Chen; Yuyang Liu; John Haozhong Xin; Chee Leung Mak; Walid A. Daoud

doi:10.1039/b702887c

Facile preparation of anatase/SiO₂ spherical nanocomposites and their application in self-cleaning textiles

Kaihong Qi, Xianqiong Chen, Yuyang Liu, John Haozhong Xin, Chee Leung Mak, Walid A. Daoud

Research output: Journal article publication › Journal article › Academic research › peer-review

152 Citations (Scopus)

Abstract

Anatase TiO₂/SiO₂ nanocomposites were prepared by a sol-gel process at a low temperature. The structural properties of these as-prepared nanocomposites were characterized with scanning electron microscopy (SEM) and X-ray diffraction (XRD), showing that TiO₂ nanoparticles were deposited on the surface of SiO₂ spheres. The spherical TiO ₂/SiO₂ nanocomposites were coated onto cotton fabrics by a simple dip-pad-dry-cure process. The treated cotton fabrics demonstrated higher photocatalytic activity in comparison to pure TiO₂ treated cotton fabrics in a typical photocatalytic test using a model compound of Neolan Blue 2G dye. Our results demonstrate that this composite material is a step towards better self-cleaning performance of textile materials.

Original language	English
Pages (from-to)	3504-3508
Number of pages	5
Journal	Journal of Materials Chemistry
Volume	17
Issue number	33
DOIs	https://doi.org/10.1039/b702887c
Publication status	Published - 1 Jan 2007

ASJC Scopus subject areas

General Chemistry
Materials Chemistry

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10.1039/b702887c

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abstract = "Anatase TiO2/SiO2 nanocomposites were prepared by a sol-gel process at a low temperature. The structural properties of these as-prepared nanocomposites were characterized with scanning electron microscopy (SEM) and X-ray diffraction (XRD), showing that TiO2 nanoparticles were deposited on the surface of SiO2 spheres. The spherical TiO 2/SiO2 nanocomposites were coated onto cotton fabrics by a simple dip-pad-dry-cure process. The treated cotton fabrics demonstrated higher photocatalytic activity in comparison to pure TiO2 treated cotton fabrics in a typical photocatalytic test using a model compound of Neolan Blue 2G dye. Our results demonstrate that this composite material is a step towards better self-cleaning performance of textile materials.",

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AU - Qi, Kaihong

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AU - Mak, Chee Leung

AU - Daoud, Walid A.

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AB - Anatase TiO2/SiO2 nanocomposites were prepared by a sol-gel process at a low temperature. The structural properties of these as-prepared nanocomposites were characterized with scanning electron microscopy (SEM) and X-ray diffraction (XRD), showing that TiO2 nanoparticles were deposited on the surface of SiO2 spheres. The spherical TiO 2/SiO2 nanocomposites were coated onto cotton fabrics by a simple dip-pad-dry-cure process. The treated cotton fabrics demonstrated higher photocatalytic activity in comparison to pure TiO2 treated cotton fabrics in a typical photocatalytic test using a model compound of Neolan Blue 2G dye. Our results demonstrate that this composite material is a step towards better self-cleaning performance of textile materials.

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Facile preparation of anatase/SiO₂ spherical nanocomposites and their application in self-cleaning textiles

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