Journal
ACS APPLIED MATERIALS & INTERFACES
Volume 10, Issue 17, Pages 14751-14758Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsami.8b02226
Keywords
nitrogen-doped carbon; electrocatalyst; ZIF-8; MOF-mediated synthesis; CO2 electrochemical reduction
Funding
- China Scholarship Council (CSC)
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A nitrogen-doped carbon was synthesized through the pyrolysis of the well-known metal-organic framework ZIF-8, followed by a subsequent acid treatment, and has been applied as a catalyst in the electrochemical reduction of carbon dioxide. The resulting electrode shows Faradaic efficiencies to carbon monoxide as high as similar to 78%, with hydrogen being the only byproduct. The pyrolysis temperature determines the amount and the accessibility of N species in the carbon electrode, in which pyridinic-N and quaternary-N species play key roles in the selective formation of carbon monoxide.
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