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Facile fabrication of ternary CuO/CuS/ZnS for photodegradation of methylene blue
Abudllah Muhammad,Al Huwayz Maryam,Alwadai Norah,Manzoor Sumaira,Nisa Mehar Un,John Peter,Ghori Muhammad Ishfaq,Aman Salma,Al-Buriahi M. S.,Ashiq Muhammad Naeem 한국세라믹학회 2023 한국세라믹학회지 Vol.60 No.3
Synthetic dyes play a vital role in our daily life because they are utilized in products ranging from clothing to leather acces- sories. Unfortunately, these carcinogenic dyes are discharged into water streams any prior process considering the health problems in aquatic life and human beings. It is mandatory to separate noxious materials from wastewater. Semiconductors are viewed as a viable possibility for photocatalytic mineralization of noxious dyes. Herein, facile in situ hydrothermal approach (HT) was utilized for the fabrication of CuO, CuS ZnS, and their ternary CuO/CuS/ZnS nanocomposite. The fab- ricated CuO/CuS/ZnS nanocomposites were analysed through powder X-ray diff raction (PXRD), Fourier-transform infrared spectroscopy (FTIR), scanning electron microscope equipped with energy-dispersive X-ray (SEM–EDX), and ultraviolet– visible spectroscopy (UV–Vis). Moreover, the optical investigation manifested the bandgap energy value of copper oxide, copper sulphides, zinc sulphides, and ternary CuO/CuS/ZnS nanocomposite, corresponding to 2.63, 3.1, 4.51, and 2.2 eV, respectively, which was estimated from absorption spectrum. Subsequently, the photocatalytic results of CuO, CuS, ZnS, and ternary CuO/CuS/ZnS nanocomposite against methylene blue (MB) dye were 71%, 42%, 45%, and 96%, respectively. The photocatalytic scheme showed the role of hydroxyl radicals and electrons in the photodegradation reaction. Our fi nding suggests that the fabricated nanocomposite shows superior photocatalytic efficiency towards mineralization of methylene blue which can be used for commercial applications.