Photocatalytic reduction of CO2 with water using catalysts of γ-Ga2O3 supported by α-Ga2O3: mechanism and roles of each phase

Key Points

• To explore the mechanism of photocatalytic reduction of CO2 using gallium oxide catalysts.
• Investigated photocatalytic processes using γ-Ga2O3 and α-Ga2O3.
• Examined the roles of different phases of gallium oxide in CO2 reduction.
• Conducted experiments with mixed phase catalysts.
• Gallium oxide catalysts effectively reduce CO2 with water.
• Different phase combinations influence the efficiency of the photocatalytic process.
• Mechanisms of action and roles of phases were elucidated during reduction.