Advanced Ceramics Progress

Advanced Ceramics Progress

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

Document Type : Original Research Article

Authors
Amir Hossein Afzali 1
Maryam Hajiebrahimi 2
Mohammad Mahdi Hosseinieh Farahani 1
Sanaz Alamdari 3
Omid Mirzaee 4
1 BSc Student, Faculty of Materials and Metallurgical Engineering, University of Semnan, Iran.
2 Research Assistant, Faculty of Materials and Metallurgical Engineering, University of Semnan, Iran.
3 Assistant Professor, Department of Nanotechnology, Faculty of New Sciences and Technologies, University of Semnan, Iran.
4 Professor, Faculty of Materials & Metallurgical Engineering, University of Semnan, Iran.
10.30501/acp.2025.486343.1165
Abstract
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 15–20 nm. The UV-Vis measurements revealed an optical band gap ranging from 4.4 eV to 5.3 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 (99%) within just 5 minutes of UVA light exposure. This straightforward method has the potential to be scaled up for industrial applications.
Keywords
ZnS/CdS
Solvothermal
Nanocomposite
Band Gap
Photocatalysis

Subjects

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  • Receive Date 04 November 2024
  • Accept Date 21 December 2024