研究目的
Investigating the enhancement of photocatalytic hydrogen production by introducing Ni-based cocatalysts on 1D CdS nanorods.
研究成果
The Ni(OH)2/CdS nanorod composite showed the highest photocatalytic activity for hydrogen production, attributed to the efficient transfer of photo-generated electrons and the provision of active sites by the Ni(OH)2 cocatalyst. The study highlights the importance of cocatalyst selection in enhancing photocatalytic performance.
研究不足
The study is limited to the evaluation of Ni-based cocatalysts on CdS nanorods for photocatalytic hydrogen production. The effect of other cocatalysts or conditions was not explored.
1：Experimental Design and Method Selection:
Preparation of CdS nanorods and their composites with Ni-based cocatalysts (NiS, NiO, Ni(OH)2) through simple synthetic methods.
2：Sample Selection and Data Sources:
Use of CdS nanorods and their composites for photocatalytic hydrogen evolution experiments in a 10 vol % aqueous lactic acid solution under visible light irradiation.
3：List of Experimental Equipment and Materials:
Vacuum system with an external glass reaction cell for photocatalytic experiments.
4：Experimental Procedures and Operational Workflow:
Evaluation of photocatalytic activity by measuring hydrogen evolution rates under visible light irradiation.
5：Data Analysis Methods:
Characterization of samples using XRD, SEM, UV-vis DRS, XPS, transient photocurrent response, and LSV curves to understand the photocatalytic mechanism.
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