Abstract
Silicon nitride (Si3N4) ceramic is mainly used as the catalyst support for photocatalytic application. In this paper, Si3N4 nanowires (SNWs) were successfully prepared by directly nitriding Si powders and firstly applied as an efficient photocatalyst for the degradation of antibiotic residues. Comparing with commercial Si3N4 powder (SNPs), the prepared SNWs demonstrate enhanced photocatalytic activity for tetracycline hydrochloride (TC-HCl) photodegradation under UV–vis light with good stability. The improved photocatalytic performance should come from its unique morphology and small size. The synthesis and application of Si3N4 nanowires in removing antibiotic residue may contribute to development of newly efficient photocatalyst for environmental issues.
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