Md. Sajib, Md. Fardin Ehsan, Amena Jaman, Md. Mominul Islam, Md. Abu Bin Hasan Susan, Muhammed Shah Miran
, respectively. Optimization studies revealed the significant influence of pH, adsorbent dose, and dye concentration on photocatalytic efficiency. CZ-10 retained 87 and 84% of its activity for MB and OG removal from aqueous solution, respectively, after five successive cycles, demonstrating excellent stability and reusability. Lotus-shaped CuO/ZnO nanocomposites have significant potential as robust, efficient photocatalysts for the remediation of dye-contaminated wastewater under UVA light.