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Cu:TiO~2~ nanoparticles prepared by planetary ball mill with enhanced sonophotocatalytic performance with visible light by Hamidreza Ayremlou; Masih Darbandi; Behrouz Shaabani is a Materials Science article available to read on EtoBox.

What is Cu:TiO~2~ nanoparticles prepared by planetary ball mill with enhanced sonophotocatalytic performance with visible light about?

## Abstract In this research, pure and Cu(II)‐doped TiO~2~ nanoparticles (NPs) were synthesized via a simple and nontoxic approach to fabricate a nanocatalyst for the oxidative sonophotocatalytic degradation of phenol. TiO~2~ NPs were prepared using a solvothermal method and doped with Cu(II) by high‐energy planetary ball mill. The as‐synthesized NPs were identified and characterized by X‐ray diffraction, energy‐dispersive X‐ray, and transmission electron microscopy techniques. The doped NPs were used for the first time in pollutant decomposition using phenol as a model pollutant in low‐energy and low‐frequency ultrasound at room temperature and pH = 7 in the presence of visible light. The progress of the pollutant degradation was followed by UV–Vis spectrophotometry. After about 60 min of sonophotocatalytic process (dual irradiation [visible light + ultrasound] in the presence of doped NPs), around 75% of the phenol degraded, with a rate constant of about 0.024 min^−1^. The sonophotocatalytic process was compared with photocatalysis and sonocatalysis processes conducted in the same conditions. Importantly, the combination of visible light and ultrasound irradiation in a sonophotoc

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Author

Hamidreza Ayremlou; Masih Darbandi; Behrouz Shaabani

Publisher

Wiley

Published

2023

Field

Materials Science (Physical Sciences)