Zinc oxide/Copper oxide(ZnO/CuO)nanocomposites(NCs)have gained substantial importance due to their synergistic structural,electrical,optical and photocatalytic properties.In this study,ZnO/CuO NCs were synthesized usi...Zinc oxide/Copper oxide(ZnO/CuO)nanocomposites(NCs)have gained substantial importance due to their synergistic structural,electrical,optical and photocatalytic properties.In this study,ZnO/CuO NCs were synthesized using a green solution combustion method with lemon extract as fuel.X-ray diffraction(XRD)confirmed the formation of highly crystalline ZnO and CuO phases,while scanning electron microscopy(SEM)revealed an agglomerated morphology.UV–visible(UV–Vis)spectroscopy indicated an optical bandgap of 3.27 eV and photoluminescence(PL)analysis demonstrated strong near-band-edge and defect-related emissions.Dielectric studies highlighted superior charge storage capabilities,making these materials promising for energy storage applications.Photocatalytic investigation on crystal violet dye degradation under visible light showed an 83%efficiency at neutral pH,emphasizing their environmental remediation potential.The ZnO/CuO heterostructure facilitates enhanced charge separation and light absorption,boosting performance in opto-electronic devices.This study provides a comprehensive evaluation of ZnO/CuO NCs,positioning them as multifunctional materials for sustainable energy,environmental and technological applications.展开更多
文摘Zinc oxide/Copper oxide(ZnO/CuO)nanocomposites(NCs)have gained substantial importance due to their synergistic structural,electrical,optical and photocatalytic properties.In this study,ZnO/CuO NCs were synthesized using a green solution combustion method with lemon extract as fuel.X-ray diffraction(XRD)confirmed the formation of highly crystalline ZnO and CuO phases,while scanning electron microscopy(SEM)revealed an agglomerated morphology.UV–visible(UV–Vis)spectroscopy indicated an optical bandgap of 3.27 eV and photoluminescence(PL)analysis demonstrated strong near-band-edge and defect-related emissions.Dielectric studies highlighted superior charge storage capabilities,making these materials promising for energy storage applications.Photocatalytic investigation on crystal violet dye degradation under visible light showed an 83%efficiency at neutral pH,emphasizing their environmental remediation potential.The ZnO/CuO heterostructure facilitates enhanced charge separation and light absorption,boosting performance in opto-electronic devices.This study provides a comprehensive evaluation of ZnO/CuO NCs,positioning them as multifunctional materials for sustainable energy,environmental and technological applications.
