h-BN/NiS2/NiS nanocatalysts for removing rhodamine B and Cr(VI) in wastewater

The human health is suffering from effluent containing heavy metal ions (such as Cr(VI)) and organic dyes (such as rhodamine B). Among numerous strategies to remove pollutants from water, photocatalysis has attracted extensive attention due to its low energy consumption, simple operation and environmental friendliness. Bimetallic sulfides are apt to form the heterointerfaces which is able to modify the surface properties of particles and enhance the stability and the photocatalytic performances. h-BN has been proved to be a prospective support for different composites because of its diversified sheet structure, higher surface area, chemical resistance, can effectively increase the accessible superficial area of loaded catalysts and supply abundant active sites.

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