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Here, we report an improved tandem catalytic mechanism for electroreduction of CO2 to C2H4. Cu(111) nanoparticles with an average size of 5.5 ± 0.9 nm were anchored on a conductive Cu-based metal–organic framework (Cu-THQ) by in situ electrochemical synthesis. Compared to Cu(111) nanoparticles, the C2H4 faradaic efficiency of the tandem catalyst Cu(111)@Cu-THQ was increased doubly. [ABSTRACT FROM AUTHOR]

The methylene groups surrounding the metal center in a metal–organic framework provide hydrophobic repulsive forces to H2O, resulting in a high catalytic activity (TOF = 73.8 h−1, selectivity of 96%) for photodriven CO2 reduction into CO. [ABSTRACT FROM AUTHOR]

Here, we report an improved tandem catalytic mechanism for electroreduction of CO2 to C2H4. Cu(111) nanoparticles with an average size of 5.5 ± 0.9 nm were anchored on a conductive Cu-based metal–organic framework (Cu-THQ) by in situ electrochemical synthesis. Compared to Cu(111) nanoparticles, the C2H4 faradaic efficiency of the tandem catalyst Cu(111)@Cu-THQ was increased doubly. [ABSTRACT FROM AUTHOR]