Mannitol-assisted architecture of BiOBr with two kinds of anion vacancies and high specific surface area for excellent photocatalytic applications

Key Points

• This research aims to enhance the photocatalytic efficiency of BiOBr using mannitol to create double anion vacancies.
• Synthesis of BiOBr with mannitol to assist in structure formation.
• Characterization of anion vacancies and specific surface area.
• Evaluation of photocatalytic activity for CO2 reduction.
• BiOBr exhibited improved specific surface area due to anion vacancies.
• Enhanced photocatalytic efficiency for CO2 reduction compared to standard BiOBr.