Plasma-photocatalytic gCeO 2 for selective Fe( ii ) and Mn( ii ) oxidation: charge-carrier-driven reactive oxygen species pathways

Key Points

• This research aims to explore the mechanisms of Fe(II) and Mn(II) removal using a plasma-photocatalytic system with gCeO2.
• Utilized gCeO2 in a plasma-photocatalytic system for metal ion treatment.
• Analyzed the charge-carrier-driven mechanisms involved in reactive oxygen species production.
• Significant oxidation of Fe(II) and Mn(II) was observed with enhanced reactivity driven by charge carriers.
• The system showed a high efficiency in metal removal, indicating effective pathways for oxidation.