Vol.30 No.4

Editorial Office


  • Journal of the Microelectronics and Packaging Society
  • Volume 30(4); 2023
  • Article


Journal of the Microelectronics and Packaging Society 2023;30(4):91-97. Published online: Feb, 20, 2024

Tin Oxide-modulated to Cu(OH)2 Nanowires for Efficient Electrochemical Reduction of CO2 to HCOOH and CO

  • Chaewon Seong1 , Hyojung Bae2 , Sea Cho1 , Jiwon Heo1 , Eun Mi Han1†, and Jun-Seok Ha1†
    1Department of Chemicals & Engineering, Chonnam National University, 77 Yong-bong-ro, Buk-gu, Gwangju 61186, Korea, 2Photonics Energy Materials Research Center, Korea Photonics Technology Institute (KOPTI), Cheomdanbencheo-ro 108 beon-gil 9, Buk-gu, Gwangju 61007, Korea
Corresponding author E-mail: emhan@chonnam.ac.kr, jsha@jnu.ac.kr

Electrochemical (EC) CO2 reduction is a promising method to convert CO2 into valuable hydrocarbon fuels and chemicals ecofriendly. Here, we report on a facile method to synthesize surface-controlled SnO2/Cu(OH)2 nanowires (NWs) and its EC reduction of CO2 to HCOOH and CO. The SnO2/Cu(OH)2 NWs (-16 mA/cm2 ) showed superior electrochemical performance compared to Cu(OH)2 NWs (-6 mA/cm2 ) at -1.0 V (vs. RHE). SnO2/Cu(OH)2 NWs showed the maximum Faradaic efficiency for conversion to HCOOH (58.01 %) and CO (29.72 %). The optimized catalyst exhibits a high C1 Faradaic efficiency stable electrolysis for 2 h in a KHCO3 electrolyte. This study facilitates the potential for the EC reduction of CO2 to chemical fuels.

Keywords Electrochemical (EC), CO2 reduction (CO2RR), Copper-based catalysts, Tin oxide (SnO2)

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