Structural, optical and catalytic properties of ZnO-SiO2 colored powders with the visible light-driven activity

Michael Nazarkovsky,Bożena Czech, Alicja Żmudka,Viktor M. Bogatyrov,Olena Artiushenko,Vladimir Zaitsev,Tatiana D. Saint-Pierre,Rafael C. Rocha,Jiang Kai,Yutao Xing,Wellington D.G. Gonçalves,Amanda G. Veiga,Maria Luiza M. Rocco,Syed Hamza Safeer,Mariia V. Galaburda,Victor Carozo,Ricardo Q. Aucélio,Richard J. Caraballo-Vivas,Olena I. Oranska,Jairton Dupont

Journal of Photochemistry and Photobiology A: Chemistry（2021）

Cited 5|Views12

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Abstract

•Doped colorized ZnO-nanosilica samples were prepared and tested.•Photoluminescence properties are dependent on doped ZnO crystallites size.•All the samples have exhibited visible light-induced activity.•k2-s of photocatalytic degradation were up to 37 times higher than photolysis.•Photocatalytic processes have involved h+, OH and O2− equally.

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Key words

ZnO-SiO2 nanocomposite,Photocatalysis,Visible spectrum range,β-Blockers,Carbamazepine

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