| abstract |
The invention relates to the technical field of photocatalytic degradation of organic pollutants, and discloses a carbon nanotube-supported CdSe-g-C 3 N 4 photocatalytic material and a preparation method thereof, comprising the following formula materials: cadmium chloride, sodium selenosulfate , urea, melamine, carbon nanotubes. The carbon nanotube-supported CdSe-g-C 3 N 4 photocatalytic material and a preparation method thereof, the CdSe and g-C 3 N 4 form an overlapping energy band heterostructure with good matching performance at the interface, and the heterostructure can effectively Separating photogenerated carriers and transporting photogenerated charges enhances the effective separation of photogenerated electron-holes, resulting in a large number of free - moving photogenerated electrons e- and holes h + , which have strong oxidizing properties, and Photogenerated electrons e ‑ can form superoxide radical O 2‑ • with dissolved oxygen in water, and holes h + and superoxide radical O 2‑ • have high redox potential and can oxidize with various organic pollutants reduction reaction, thereby greatly improving the degradation efficiency of photocatalytic materials for organic dye pollutants. |