Exploring the Potential of ZnS/CdS Dual Nanocomposites in Photocatalytic Degradation for Water Cleanup

The use of photocatalytic degradation to address environmental cleanup issues is gaining popularity. In this work, pure ZnS, CdS, and ZnS/CdS heterostructure nanocomposites with superior photocatalyst efficiency were synthesized using a straightforward coprecipitation technique and a solvothermal process. The structural, morphological, and optical characteristics were analyzed using XRD, EDX, FTIR, FESEM, and UV-Vis absorbance measurement techniques. The XRD data indicated that ZnS/CdS nanocomposites were produced with an average crystallite size of ۱۵–۲۰ nm. The UV-Vis measurements revealed an optical band gap ranging from ۴.۴ eV to ۵.۳ eV. The photocatalytic efficacy of the ZnS/CdS heterostructure nanocomposites in degrading methylene blue (MB) dye was evaluated under UVA light. The synthesized ZnS/CdS nanocomposite exhibited remarkable decolorization efficiency (۹۹%) within just ۵ minutes of UVA light exposure. This straightforward method has the potential to be scaled up for industrial applications.

کلیدواژه ها:

ZnS/CdS ، Solvothermal ، Nanocomposite ، Band gap ، Photocatalysis