Preparation of rutile (TiO2) nanostructured materials at low temperature from TiCl4 aqueous solution
Source abstract
Abstract
The synthesis of rutile (TiO2) nanostructured materials at low temperature from TiCl4 aqueous solution was described. TiO2 coatings on polystyrene (PS) particles were prepared by layer-by-layer assembly technique. The samples were characterized by DTA-TG, SEM, XPS, TEM and XRD techniques. The experimental results showed that pure rutile-TiO2 coatings with nanocrystal structure were synthesized at 100 °C. On the surface of PS particles, sphere-type TiO2 coatings exhibited uniform shape and a narrow size distribution. The amount of TO2 (wt%) and shell thickness of particles increased with the adding of coating layers. Hollow TiO2 spheres were obtained by calcination at 450 °C. TiO2/PS with 2 coating layers showed higher degradation rate. The photocatalytic activity of hollow TiO2 spheres was higher than that of TiO2/PS.
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Research context
OpenAlex topics: TiO2 Photocatalysis and Solar Cells · Advanced Photocatalysis Techniques · Nanomaterials for catalytic reactions
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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