TiO2/SiO2 hybrid nanomaterials: synthesis and variable UV-blocking properties
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Silica and core–shell structured titania/silica (TiO2/SiO2) nanoparticles with particles size ranging from tens to hundreds of nanometers were prepared and deposited onto cotton fabric substrates by sol–gel process. The morphologies of the nanoparticles were characterized by field-emission scanning electron microscope (FE-SEM). The photocatalytic decomposition properties as well as UV-blocking properties of the fabrics treated with SiO2 and TiO2/SiO2 nanoparticles were investigated.
KeywordsSol–gel Titania/silica UV-blocking Photocatalytic decomposition
This research was supported by the special co-construction project of Beijing city education committee, The Key Project of Chinese Ministry of Education (No: 107023), The Hong Kong Polytechnic University Postdoctoral Fellowship Scheme (G-YX70) and a grant from the Research Grants Council of the Hong Kong Special Administrative Region, China (No: PolyU5166/05E), Doctoral Program Foundation of Institution of higher education of China (2-2-08-07).