A kind of photocatalyst, its preparation method and application
A photocatalyst, bismuth nitrate pentahydrate technology, applied in chemical instruments and methods, physical/chemical process catalysts, chemical/physical processes, etc., can solve problems such as adverse environmental impact, increase preparation costs, etc., achieve large economic effects, excellent Photocatalytic performance, efficient degradation effect
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[0033] The present invention will be described in detail below according to the accompanying drawings, which is a preferred embodiment among various implementations of the present invention.
[0034] The present invention adopts bismuth nitrate pentahydrate as a bismuth source, which is dissolved in 10 mL of dilute nitric acid solution with a pH of 5.0 to form a clear solution A; meanwhile, CTAB, PVP and spherical Ni elemental substances are ultrasonically dispersed in 10 mL of ethanol, Mixed system B is formed. After mixing A and B, let stand at room temperature for 3 hours, wash the resulting white precipitate with deionized water several times, and dry it in vacuum at 60°C until constant weight.
[0035] The porous bismuth oxybromide micro-nano material with a flower-like structure exhibits excellent photocatalytic performance and can efficiently degrade toxic organic substances in industrial wastewater under visible light irradiation. 0.01g of synthesized bismuth oxybromid...
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