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Hydrothermal Synthesis of ZnO/SnO2 Nanoparticles with High Photocatalytic Activity

Authors: Ali Reza Mahjoub, Azam Anaraki Firooz, Abbas Ali Khodadadi

Abstract:

The paper reports the preparation and photocatalytic activity of ZnO/SnO2 and SnO2 nanoparticles. These nanoparticles were synthesized by hydrothermal method. The products were characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM). Their grain sizes are about 50-100 nm. The photocatalytic activities of these materials were investigated for congo red removal from aqueous solution under UV light irradiation. It was shown that the use of ZnO/SnO2 as photocatalyst have better photocatalytic activity for degradation of congo red than SnO2 or TiO2 (anatase, particle size: 30nm) alone.

Keywords: Hydrothermal, photocatalysis, ZnO/SnO2 nanoparticle

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.1054946

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