研究目的
Investigating the photocatalytic effects of a novel ternary g-C3N4/ZnS/SnS2 heterostructure on the degradation of organic pollutants under visible light.
研究成果
The ternary g-C3N4/ZnS/SnS2 heterojunction significantly enhances photocatalytic activity for organic pollutant degradation under visible light, attributed to efficient charge separation and transfer across the heterojunction interface. The optimal composition (20% g-C3N4) demonstrates the highest photocatalytic performance, suggesting potential applications in environmental protection and clean energy.
研究不足
The study focuses on the photocatalytic degradation of MB under specific conditions (410 nm LED light), and the scalability and practical application of the ternary heterostructure in real-world scenarios are not explored.
1：Experimental Design and Method Selection:
A facile one-step hydrothermal method was used to synthesize the ternary g-C3N4/ZnS/SnS2 heterostructures.
2：Sample Selection and Data Sources:
The photocatalytic activity was evaluated by photodegrading methylene blue (MB) in water under 410 nm LED light irradiation.
3：List of Experimental Equipment and Materials:
Zinc acetate dihydrate, tin chloride pentahydrate, polyethylene glycol, thiourea, MB, and ethyl alcohol were used.
4：Experimental Procedures and Operational Workflow:
The solution was sealed in a 50 mL autoclave and heated at 433 K for 12 h. The photocatalytic degradation efficiency was measured.
5：Data Analysis Methods:
The degradation efficiency and apparent pseudo-first-order rate constant were calculated to evaluate the photocatalytic performance.
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