Comprehensive study of tunable BiOI/BiOBr heterojunctions: reactive species and mechanistic insights for visible-light degradation of indigo carmine

Puntos clave

• This research aims to explore the photocatalytic properties of BiOI/BiOBr heterojunctions in degrading indigo carmine under visible light.
• Examined the charge separation mechanisms in BiOI/BiOBr heterojunctions
• Investigated the role of reactive species in the degradation of indigo carmine under visible light
• Evaluated photocatalytic performance in wastewater treatment applications.
• Bulk BiOI/BiOBr demonstrated significant photocatalytic activity for degrading indigo carmine under visible light.
• Mechanistic insights revealed improved charge separation and defect-assisted processes essential for IC degradation.
• The findings indicate potential scalability for practical applications in wastewater treatment.