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<p>Bismuth-based semiconductor materials exhibit tremendous potential in photocatalytic CO<sub>2</sub> reduction reactions (CO<sub>2</sub>RR) due to their unique layered structure, suitable bandgap, excellent visible-light responsiveness, and photochemical stability. As environmentally friendly photocatalysts, bismuth-based materials have garnered extensive attention for alleviating energy crises and environmental pollution. However, challenges persist in large-scale applications for bismuth-based catalysts, including high photogenerated carrier recombination rates, limited visible-light response ranges, and insufficient photocatalytic activity. This paper systematically reviews recent research progress on bismuth-based catalysts for photocatalytic CO<sub>2</sub> reduction, focusing on three categories of bismuth-based materials: Bi, Bi<sub>2</sub>O<sub>3</sub> and BiOX (X = Cl, Br or I). It highlights their respective advantages and disadvantages, along with constructive optimization strategies to enhance catalytic efficiency.</p>

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Bismuth-based Catalysts for Efficient Photocatalytic CO2 Reduction Reaction: A Mini-review

  • 期刊论文

  • 发表日期：

    2026年1月20日

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  • Jianzhi Wang,
  • Qingyi Lu,
  • Zhenggui Wei,
  • Jun Cheng,
  • Zhi-Gang Gao

摘要

Bismuth-based semiconductor materials exhibit tremendous potential in photocatalytic CO2 reduction reactions (CO2RR) due to their unique layered structure, suitable bandgap, excellent visible-light responsiveness, and photochemical stability. As environmentally friendly photocatalysts, bismuth-based materials have garnered extensive attention for alleviating energy crises and environmental pollution. However, challenges persist in large-scale applications for bismuth-based catalysts, including high photogenerated carrier recombination rates, limited visible-light response ranges, and insufficient photocatalytic activity. This paper systematically reviews recent research progress on bismuth-based catalysts for photocatalytic CO2 reduction, focusing on three categories of bismuth-based materials: Bi, Bi2O3 and BiOX (X = Cl, Br or I). It highlights their respective advantages and disadvantages, along with constructive optimization strategies to enhance catalytic efficiency.