Next-gen photocatalysts: solvent-free ZnO-TiO2-g-C3N4 composites for dye degradation and their antioxidant activity

Key Points

• Dye degradation was significantly improved by solvent-free ZnO-TiO2-g-C3N4 composites, achieving a marked reduction in dye concentration.
• The study reports an antioxidant activity of 87%, demonstrating the composites' effectiveness in scavenging free radicals.
• Observational analysis of the photocatalytic efficiency demonstrated improvements across various dye concentrations and light conditions.
• Findings indicate that these composites could provide a sustainable approach to water treatment and pollution reduction.