Green Synthesis of CuO Nanoparticles for Photocatalytic Applications: Structural and Optical Characterization
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Organic dye contamination in wastewater is a growing environmental threat that requires environmentally friendly andefficient treatment solutions. In this study, copper oxide nanoparticles (CuO NPs) were synthesized via an environmentallyfriendly method using Ocimum basilicum and Solanum melongena plant extracts. The resulting NPs exhibited different sizes(~50 nm and ~20 nm, respectively) and band gaps (2.26 eV and 1.94 eV), with characterization confirming their crystallineand nanoscale nature. Under solar light, S. melongena derived CuO NPs achieved superior photocatalytic degradation ofmethylene blue (92.27%) and brilliant blue (55.22%) dyes. These results highlight the promising role of plant-mediated CuONPs as sustainable photocatalysts for wastewater remediation.
Abstract
Organic dye contamination in wastewater is a growing environmental threat that requires environmentally friendly andefficient treatment solutions. In this study, copper oxide nanoparticles (CuO NPs) were synthesized via an environmentallyfriendly method using Ocimum basilicum and Solanum melongena plant extracts. The resulting NPs exhibited different sizes(~50 nm and ~20 nm, respectively) and band gaps (2.26 eV and 1.94 eV), with characterization confirming their crystallineand nanoscale nature. Under solar light, S. melongena derived CuO NPs achieved superior photocatalytic degradation ofmethylene blue (92.27%) and brilliant blue (55.22%) dyes. These results highlight the promising role of plant-mediated CuONPs as sustainable photocatalysts for wastewater remediation.