研究目的
Investigating the fabrication and photocatalytic performance of Ag@AgCl plasmonic photocatalyst using a deep eutectic solvent for the degradation of benzidine under visible light.
研究成果
The Ag@AgCl plasmonic photocatalyst was successfully synthesized using a DES-assisted solvothermal method, exhibiting enhanced photocatalytic performance for benzidine degradation under visible light and maintaining stability over five cycles. The DES played multiple roles in the synthesis process, acting as a solvent, Cl source, and reductant.
研究不足
The study focuses on the degradation of benzidine and may not be directly applicable to other organic pollutants. The mechanism of DES in the formation of Ag@AgCl requires further investigation.
1:Experimental Design and Method Selection:
A solvothermal method was employed for the synthesis of Ag@AgCl in a deep eutectic solvent (DES) composed of choline chloride and urea.
2:Sample Selection and Data Sources:
AgNO3 was used as the precursor for Ag, and the DES served as the Cl source and reductant.
3:List of Experimental Equipment and Materials:
X-ray diffraction (XRD), scanning electron microscopy (SEM), energy-dispersive X-ray (EDX), element-mapping, X-ray photoelectron spectroscopy (XPS), N2 absorption–desorption, and UV-vis diffuse reflectance techniques were used for characterization.
4:Experimental Procedures and Operational Workflow:
The mixture of AgNO3 and DES was stirred, transferred to an autoclave, and heated. The product was then separated, washed, and dried.
5:Data Analysis Methods:
The photocatalytic activity was assessed by the degradation of benzidine under sunlight, with concentration changes monitored by UV-vis spectroscopy.
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