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Abstract Cu- and Zn-MOF74 were synthesized using the nitrate salts of Cu and Zn combined with 2,5-dihydroxyterephtalic acid (H4DOBBDC) by a simple solvothermal method. The as-prepared Cu- and Zn-MOF74 were… Click to show full abstract
Abstract Cu- and Zn-MOF74 were synthesized using the nitrate salts of Cu and Zn combined with 2,5-dihydroxyterephtalic acid (H4DOBBDC) by a simple solvothermal method. The as-prepared Cu- and Zn-MOF74 were used as electrocatalysts for the electrochemical reduction CO2 using a H-type cell in a 0.1 M of KHCO3 aqueous solution. The Cu-MOF74 exhibited a larger surface area, higher CO selectivity, smaller Tafel slope, and lower overpotential than those of Zn-MOF74. A computational simulation showed that the lower activation energy of Cu-MOF74 than that of Zn-MOF74 in the rate-determining step resulted in better electrocatalytic properties.
Journal Title: Materials Research Bulletin
Year Published: 2021
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