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CARBON NITRIDE QUANTUM DOT/TUNGSTEN TRIOXIDE COMPOSITE PHOTOCATALYTIC MATERIAL AND PREPARATION METHOD THEREFOR
CARBON NITRIDE QUANTUM DOT/TUNGSTEN TRIOXIDE COMPOSITE PHOTOCATALYTIC MATERIAL AND PREPARATION METHOD THEREFOR
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机译：氮化碳量子点/三氧化钨复合光催化材料及其制备方法
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摘要
Provided are a carbon nitride quantum dot/tungsten trioxide composite photocatalytic material and a preparation method therefor. The preparation method involves: preparing carbon nitride quantum dots and tungsten trioxide by means of a hydrothermal method, respectively, and then depositing the carbon nitride quantum dots on the surface of tungsten trioxide by means of hydrothermal deposition. The preparation steps are simple and the cost is low, the carbon nitride quantum dots and tungsten trioxide form a compact heterojunction structure, the directional separation of charge space is achieved, the separation efficiency of tungsten trioxide photon-generated carriers is improved, and the recombination probability of holes and photon-generated electrons is reduced; in addition, the controllability of the photo-response interval of tungsten trioxide can be achieved, the photo-response interval of the photocatalytic material is expanded, and the photocatalytic activity of a photocatalyst is improved. The prepared photocatalyst has a high degradation activity on rhodamine B and methyl orange, and can also achieve the efficient reduction of Cr(VI) to Cr(III).
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