CiteScore: 5.0     h-index: 22

Document Type : Original Research Article


1 Faculty of Pharmacy, Department of Pharmaceutics, University of Al-Ameed, Iraq

2 Al-Farahidi University, College of Medical Technology, Medical Lab. Techniques Department, Baghdad, Iraq

3 Department of Medical Engineering Al-Manara College for Medical Sciences, Maysan, Iraq

4 College of Pharmacy, National University of Science and Technology, Dhi Qar, Iraq

5 Department of Medical Engineering, Al-Hadi University College, Baghdad, Iraq

6 Department of Pharmacy, Al-Zahrawi University College, Karbala, Iraq

7 Department of Medical Engineering, Mazaya University College, Iraq

8 Department of Medical Laboratories Technology, AL-Nisour University College, Baghdad, Iraq


The hydrothermal synthesis of ZnO/CdS nanocomposite studied for photocatalytic degradation of Amoxicillin (AMX) drug. The physical and chemical properties of the prepared ZnO/CdS were characterized using several analyses such as TEM, FE-SEM, TGA, and EDX. The photodegradation of Amoxicillin (AMX) drug was studied by employing UV-Vis light under several conditions in the presence of ZnO-CdS nanocomposite. Influence of several parameters such as AMX concentration (10-80 mg/L), mass of nanocomposite (0.1-0.4 g), and regeneration of ZnO-CdS nanocomposite was studied and optimized. All experiments were carried out under the most optimum conditions, which included a drug concentration of 30 mg/L, a light intensity of 1.2 mW/cm2, and a solution pH of 6.8. The results showed that the photocatalytic efficiency rose with reducing concentration of AMX (95.99%-53.12%) when concentration increased from 10 to 80 mg/L. The photocatalytic degradation increased when the weight of the ZnO-CdS nanocomposite increased (44.43%-98.99%). It was observed that the photocatalytic efficiency of AMX was 80.86%-72.77.85% for the first to fourth cycles. This indicates the best stability of nanocomposites and could be potentially useful in practical batch degradation.

Graphical Abstract

Photocatalytic Degradation of Amoxicillin Drug using ZnO/CdS Nanocomposite for Aqueous Solutions by using AOPs


Main Subjects


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