Metal-Organic-Framework-Mediated Nitrogen-Doped Carbon for CO2 Electrochemical Reduction

Journal article (2018)

Authors

Samy Ould-Chikh King Abdullah University of Science and Technology
F. Bai , Applied Sciences
J. Gascon Sabate King Abdullah University of Science and Technology,
Copyright: © 2018 R. Wang, X. Sun, Samy Ould-Chikh, D. Osadchii, F. Bai, F. Kapteijn, Jorge Gascon
DOI: https://doi.org/10.1021/acsami.8b02226
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Published Date

02-05-2018

Language

English

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Abstract

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 ∼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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