Abstract
AbstractTiO2 nanoparticles (NPs) were prepared by cathode glow discharge electrolysis in sodium fluoride solution, in which cetyltrimethyl ammonium bromide (CTAB) acted as a stabilizer, and a Ti foil and a Pt needlepoint served as the anode and the cathode, respectively. The structure, component, and morphology of TiO2 NPs were characterized. A possible preparation mechanism was proposed. In addition, the photocatalytic performance of TiO2 NPs was assessed through the degradation of methylene blue (MB). The results showed that TiO2 NPs with 12.7 nm particle size could be prepared at 500 V discharge voltage. CTAB, as a stabilizer, can diminish the agglomeration. The photocatalytic property of TiO2 NPs for the degradation of MB with 0.15% CTAB is markedly superior to that of TiO2 NPs without adding CTAB and commercial TiO2 NPs (P25).
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