Unlocking the benefits of glassy-like carbon synthesis: Direct immobilization of single Ni sites for robust electrochemical CO2 reduction reaction

Seo, Dongho; Abbas, Syed Asad; Ma, Ahyeon; Kwon, Taesung; Cho, Hyeon Beom; Kim, Minjeong; Lee, Kug-Seung; Seo, Jong Hyeok; Kwon, Ji-Hwan; Lee, Hosik; Nam, Ki Min

doi:10.1016/j.jcou.2024.102677

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Journal of CO2 Utilization

2024

DOI: 10.1016/j.jcou.2024.102677

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Unlocking the benefits of glassy-like carbon synthesis: Direct immobilization of single Ni sites for robust electrochemical CO2 reduction reaction

Dongho Seo,

Syed Asad Abbas,

Ahyeon Ma

et al.

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Unlocking the Potential of Bi₂S₃‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO₂ Reduction to Formate

Ma,

Lee,

Seo

et al. 2024

Advanced Science

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Various electrocatalysts are extensively examined for their ability to selectively produce desired products by electrochemical CO2 reduction reaction (CO2RR). However, an efficient CO2RR electrocatalyst doesn't ensure an effective co‐catalyst on the semiconductor surface for photoelectrochemical CO2RR. Herein, Bi2S3 nanorods are synthesized and electrochemically reduced to Bi nanoplates that adhere to the substrates for application in the electrochemical and photoelectrochemical CO2RR. Compared with commercial‐Bi, the Bi2S3‐derived Bi (S‐Bi) nanoplates on carbon paper exhibit superior electrocatalytic activity and selectivity for formate (HCOO−) in the electrochemical CO2RR, achieving a Faradaic efficiency exceeding 93%, with minimal H2 production over a wide potential range. This highly selective S‐Bi catalyst is being employed on the Si photocathode to investigate the behavior of electrocatalysts during photoelectrochemical CO2RR. The strong adhesion of the S‐Bi nanoplates to the Si nanowire substrate and their unique catalytic properties afford exceptional activity and selectivity for HCOO− under simulated solar irradiation. The selectivity observed in electrochemical CO2RR using the S‐Bi catalyst correlates with that seen in the photoelectrochemical CO2RR system. Combined pulsed potential methods and theoretical analyses reveal stabilization of the OCHO* intermediate on the S‐Bi catalyst under specific conditions, which is critical for developing efficient catalysts for CO2‐to‐HCOO− conversion.

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Unlocking the Potential of Bi₂S₃‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO₂ Reduction to Formate

Ma,

Lee,

Seo

et al. 2024

Advanced Science

Self Cite

View full text Add to dashboard Cite

show abstract

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Unlocking the benefits of glassy-like carbon synthesis: Direct immobilization of single Ni sites for robust electrochemical CO2 reduction reaction

Cited by 1 publication

References 50 publications

Unlocking the Potential of Bi₂S₃‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO₂ Reduction to Formate

Unlocking the Potential of Bi₂S₃‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO₂ Reduction to Formate

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Unlocking the benefits of glassy-like carbon synthesis: Direct immobilization of single Ni sites for robust electrochemical CO2 reduction reaction

Cited by 1 publication

References 50 publications

Unlocking the Potential of Bi2S3‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO2 Reduction to Formate

Unlocking the Potential of Bi2S3‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO2 Reduction to Formate

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Product

Resources

About

Unlocking the Potential of Bi₂S₃‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO₂ Reduction to Formate

Unlocking the Potential of Bi₂S₃‐Derived Bi Nanoplates: Enhanced Catalytic Activity and Selectivity in Electrochemical and Photoelectrochemical CO₂ Reduction to Formate