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

Riming Wang, Xiaohui Sun, Samy Ould-Chikh, Dmitrii Osadchii, Fan Bai, Freek Kapteijn, Jorge Gascon

Research output: Contribution to journalArticleScientificpeer-review

59 Citations (Scopus)
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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.

Original languageEnglish
Pages (from-to)14751-14758
Number of pages8
JournalACS Applied Materials and Interfaces
Volume10
Issue number17
DOIs
Publication statusPublished - 2 May 2018

Keywords

  • CO electrochemical reduction
  • electrocatalyst
  • MOF-mediated synthesis
  • nitrogen-doped carbon
  • ZIF-8

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