Size Effects of Highly Dispersed Bismuth Nanoparticles on Electrocatalytic Reduction of Carbon Dioxide to Formic Acid

Electrocatalytic reduction of carbon dioxide into value-added chemical fuels is a promising way to achieve carbon neutrality. Bismuth-based materials have been considered as favorable electrocatalysts for converting carbon dioxide to formic acid. Moreover, size-dependent catalysis offers significant advantages in catalyzed heterogeneous chemical processes. However, the size effects of bismuth nanoparticles on formic acid production have not been fully explored. Here, we prepared Bi nanoparticles uniformly supported on porous TiO2 substrate electrocatalytic materials by in situ segregation of the Bi element from Bi4Ti3O12. The Bi-TiO2 electrocatalyst with Bi nanoparticles of 2.83 nm displays a Faradaic…

• NN
  National Natural Science Foundation of China

  Awards: N_PolyU502/21, CRS_PolyU504_22
• RG
  Research Grants Council, University Grants Committee

  Awards: CRS_PolyU504_22, N_PolyU502/21, 14304019
• NS
  Natural Science Foundation of Guangdong Province

  Award: 2023A1515012219
• HK
  Hong Kong Polytechnic University

  Award: 1-ZE2V
• CS
  China Scholarship Council
• SF
  Shenzhen Fundamental Research Program

  Award: JCYJ20220531090807017
• NK
  National Key Research and Development Program of China

  Award: 2021YFA1501101