journal article·2005-08

Studies of Fe-doped SiO2/TiO2 composite nanoparticles prepared by sol-gel-hydrothermal method

Zhijie Li, Bo Hou, Yao Xu, Dong Wu, Yuhan Sun

Journal of Materials Science· Volume 40· Issue 15
Publisher page

Abstract

Fe-doped SiO2/TiO2 composite nanoparticles were directly prepared by sol-gel-hydrothermal process, and characterized by X-ray diffraction (XRD), transmission electron microscope (TEM), thermal gravimetry (TG), X-Ray photoelectron spectroscopy (XPS), and UV-Vis diffuse reflectance spectra (DRS). It was found that the Fe3 + was well dispersed in solid solution of SiO2/TiO2 composite nanoparticles that was about 10 nm with spherical morphology and rich silica layer external surface. It could effectively offer broadband shield for both UVB (290–320 nm) and UVA (320–400 nm). The results of Photodecomposition of methylene blue showed that the photoactivity of Fe-doped SiO2/TiO2 composite was minimized due to the addition of iron ion.
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Research context

OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Advanced Photocatalysis Techniques · Nanoparticles: synthesis and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

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