Get 20M+ Full-Text Papers For Less Than $1.50/day. Start a 14-Day Trial for You or Your Team.

Learn More →

Unveiling the Synergistic Effect between Graphitic Carbon Nitride and Cu2O toward CO2 Electroreduction to C2H4

Unveiling the Synergistic Effect between Graphitic Carbon Nitride and Cu2O toward CO2... Electrochemically reducing carbon dioxide (CO2RR) to ethylene is one of the most promising strategies to reduce carbon dioxide emissions and simultaneously produce high value‐added chemicals. However, the lack of catalysts with excellent activity and stability limits the large‐scale application of this technology. In this work, a graphitic carbon nitride (g‐C3N4)‐supported Cu2O composite was fabricated, which exhibited a 32.2 % faradaic efficiency of C2H4 with a partial current density of −4.3 mA cm−2 at −1.1 V vs. reversible hydrogen electrode in 0.1 m KHCO3 electrolyte. The introduction of g‐C3N4 support not only enhanced the uniform dispersion of Cu2O nanocubes, but also stabilized the important *CO intermediates. Moreover, the g‐C3N4 itself had a good activity of reducing CO2 to form *CO, which enriched the key intermediates of C−C coupling around cuprous oxide. The findings highlight the importance of the g‐C3N4 support, a unique two‐dimensional material, including not only the strong CO2 adsorption and activation capacity but also its synergistic effect with the cuprous oxide in CO2RR selectivity. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png ChemSusChem - Chemistry and Sustainability, Energy & Materials Wiley

Unveiling the Synergistic Effect between Graphitic Carbon Nitride and Cu2O toward CO2 Electroreduction to C2H4

Loading next page...
 
/lp/wiley/unveiling-the-synergistic-effect-between-graphitic-carbon-nitride-and-fMugD2HTSE

References (0)

References for this paper are not available at this time. We will be adding them shortly, thank you for your patience.

Publisher
Wiley
Copyright
© 2021 Wiley‐VCH GmbH
ISSN
1864-5631
eISSN
1864-564X
DOI
10.1002/cssc.202002427
Publisher site
See Article on Publisher Site

Abstract

Electrochemically reducing carbon dioxide (CO2RR) to ethylene is one of the most promising strategies to reduce carbon dioxide emissions and simultaneously produce high value‐added chemicals. However, the lack of catalysts with excellent activity and stability limits the large‐scale application of this technology. In this work, a graphitic carbon nitride (g‐C3N4)‐supported Cu2O composite was fabricated, which exhibited a 32.2 % faradaic efficiency of C2H4 with a partial current density of −4.3 mA cm−2 at −1.1 V vs. reversible hydrogen electrode in 0.1 m KHCO3 electrolyte. The introduction of g‐C3N4 support not only enhanced the uniform dispersion of Cu2O nanocubes, but also stabilized the important *CO intermediates. Moreover, the g‐C3N4 itself had a good activity of reducing CO2 to form *CO, which enriched the key intermediates of C−C coupling around cuprous oxide. The findings highlight the importance of the g‐C3N4 support, a unique two‐dimensional material, including not only the strong CO2 adsorption and activation capacity but also its synergistic effect with the cuprous oxide in CO2RR selectivity.

Journal

ChemSusChem - Chemistry and Sustainability, Energy & MaterialsWiley

Published: Feb 5, 2021

Keywords: ; ; ; ;

There are no references for this article.