Facile fabrication of nitrogen‐doped zinc oxide nanoparticles with enhanced photocatalytic performance

Nitrogen (N)‐doped zinc oxide (ZnO) particles were successfully synthesised by a simple and economical ammonia‐assisted hydrothermal method. The samples were characterised by X‐ray diffraction, scanning electron microscopy, X‐ray photoelectron spectroscopy and ultraviolet–vis diffuse reflectance. It was found that N‐doped ZnO exhibited higher photocatalytic activity than commercial Degussa P25 towards the liquid‐phase degradation of Rhodamine B and methylene blue under simulation of solar light. The authors attribute these results to enhanced visible‐light absorption ability and efficient separation of photogenerated carriers. The authors hope that this study provides valuable information on the design of specific ZnO photocatalytic materials for further industrial application.

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