Iron Age: Ionic-Liquid-Mediated Interfacial Charge Transfer Enables Selective CO 2 Photoreduction to Formic Acid on Iron Oxide

Key Points

• The aim is to investigate how ionic liquids facilitate CO2 photoreduction to formic acid via interfacial charge transfer on iron oxide surfaces.
• Utilized ionic liquid to enhance interfacial charge transfer with iron oxide.
• Analyzed band energetics to assess the effectiveness of CO2 photoreduction.
• Demonstrated successful selective conversion of CO2 to formic acid with enhanced efficiency.
• Observed improved interfacial charge transfer characteristics under ionic liquid influence.