研究目的
To design and prepare highly efficient semiconductor-based photocatalysts for water splitting by constructing oriented heterojunctions for efficient carrier transport and separation.
研究成果
The J-J type ZnmIn2Sm+3@In2S3 heterojunction photocatalyst with hierarchical structures exhibits significantly enhanced photocatalytic activity for hydrogen evolution under visible light irradiation, providing new insights for constructing efficient oriented heterojunctions for anisotropic semiconductors.
研究不足
The study focuses on the synthesis and photocatalytic performance of the ZnmIn2Sm+3@In2S3 heterojunction under specific conditions. The scalability and practical application under varying environmental conditions were not explored.
1：Experimental Design and Method Selection:
A novel oriented J-J type ZnmIn2Sm+3@In2S3 heterojunction photocatalyst with hierarchical structures was fabricated with the assistance of oxalic acid via a hydrothermal method.
2：Sample Selection and Data Sources:
ZnCl2, In2(SO4)3?6H2O, and excess thioacetamide (TAA) were used as raw materials.
3：List of Experimental Equipment and Materials:
A 100 mL Teflon-lined autoclave was used for the hydrothermal synthesis.
4：Experimental Procedures and Operational Workflow:
The mixture was transferred into the autoclave, sealed, and kept at 160 ?C for 12 h, then cooled to room temperature naturally. The product was filtrated, washed, and dried.
5：Data Analysis Methods:
The photocatalytic H2 evolution activities were determined on a gas chromatograph.
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