Cd-doped TiO2 nanoparticles have been obtained by polyethylene glycol-assisted sol–gel synthesis and characterized by powder X-ray diffraction, energy dispersive X-ray analysis, high-resolution scanning electron microscopy and UV–visible diffuse reflectance, photoluminescence and impedance spectroscopies. Use of polyethylene glycol as templating agent provides club-shaped particles. Doping TiO2 with Cd decreases the average crystallite size and charge transfer resistance, increases the capacitance, and leads to blue emission. Cd-doping enhances the visible light photocatalytic disinfection of bacteria but not dye degradation.
Research on Chemical Intermediates – Springer Journals
Published: Jul 7, 2012
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