祝贺李文炅博士的工作发表在ACS Appl. Mater. Inter.
P-modulated NiP active centers and PNC support enabling syConfinement-Balanced CO2 Adsorption and Activation over Ultrasonically Assembled CuO/Carbon Nitride Catalysts for Enhanced C2H4 Selectivity from CO2Electroreduction
Wenjiong Li, Cai Wang, Bairong Chen, Runlin Xia, Xiaomei Zhou, Mingwei Zhu, Xinyu Chen, Hangxiang Dai, Hanchi Hu, Qingxin Guan, Yuping Liu*, Wei Li* , ACS Appl. Mater. Inter., 2025,xxx.
https://doi.org/10.1021/acsami.5c15373
Abstract：
Balancing adsorption and activation of carbon dioxide (CO2) reactants as well as inhibiting competitive hydrogen evolution reaction (HER) are critical for boosting the CO2 electrocatalytic reduction to ethylene (C2H4), yet the design of efficient catalysts with such capabilities remains a great challenge. In this work, we present a hybrid catalyst with CuO nanosheets intercalating with pyridine nitrogen-rich carbon nitride (CN) catalyst (CuO/CN) via an ultrasonically assembled method. The catalyst with an optimal mass ratio of CuO to CN of 1:5 exhibits a maximum C2H4 Faraday efficiency (FEC2H4) of 52% for the CO2 reduction reaction, outperforming that of CuO alone (38%). The introduction of hydrophobic CN endows this hybrid CuO/CN with locally distinguished CO2 enrichment and utilization of surface-active hydrogen species, which enables the reconstructed active Cu/CuO interface with a well-balanced adsorption and activation of CO2 for maximizing C–C coupling efficiency, thus greatly enhancing the FEC2H4. Such a confinement-promoted CO2 adsorption–activation equilibrium strategy will give a useful clue for the design of efficient CO2-to-C2H4 electrocatalysts.
