Abstract
In this work, anatase/rutile mixed phase titanium dioxide (TiO₂) particles prepared via sonochemical combined with calcination process was immobilized on borosilicate glass beads via sol-gel dip coating technique utilizing titanium tetraisopropoxide (TTIP). The optical properties of mixed phase TiO₂ was evaluated by diffuse reflectance UV-Vis spectrophotometer to confirm phase transformation of anatase to rutile phase at different calcination temperatures. Phase identification and structural properties of TiO₂ particles were analyzed using X-ray diffraction (XRD) and transmission electron microscopy (TEM). Surface morphology of mixed phase TiO₂ coated on glass beads with different coating precursor solution were monitored by scanning electron microscope. The chemical composition of coated beads was characterized by energy dispersive spectroscopy to affirm the presence of TiO₂ on glass bead substrate.
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