首页|1.42-fold enhancement of formate selectivity by linker conversion on the Zn-based metal organic framework catalyst
1.42-fold enhancement of formate selectivity by linker conversion on the Zn-based metal organic framework catalyst
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Electro-reduction of carbon dioxide(ERCO2)is considered an effective method to alleviate the green-house effect and produce value-added chemicals.Achieving the dominant selectivity of Zn-based cata-lysts for formate remains a challenge.In this article,the Znln-E12 catalyst is successfully prepared by solvent assisted ligand exchange(SALE)method to convert organic ligands,achieving a Faradaic effi-ciency of 72.28％for formate at-1.26 V vs.RHE(VRHE),which is 1.42 times higher than the original cat-alyst.Evidence shows that the successful conversion of organic ligands can transform the catalyst from the original large size polyhedron to cross-linked network of particles with a diameter of about 30 nm.The increased specific surface area can expose more active sites and facilitate the electrocatalytic conver-sion of CO2 to formate.This work is expected to provide inspiration for the regulation of formate selec-tivity and catalyst size in Zn-based catalysts.
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