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- W2807856871 abstract "Abstract The development of an efficient catalyst system for the electrocatalytic reduction of CO2 into highly valuable chemicals is a significant research subject. However, conventional metal electrocatalysts usually suffer from high cost, poor durability and limited accessible active sites. The exploration of high-performance and cost-effective metal-free catalysts with abundant exposed active sites is of urgent and highly desirable for CO2 reduction reaction (CO2RR). Herein, we report a facile yet efficient post-etching strategy to fabricate wrinkled N-doped porous carbon nanosheets (WNCNs) as a promising electrocatalyst for selectively producing CO with high stability. The catalyst exhibits negligible onset overpotential (−0.19 V) for CO production and a maximum Faradaic efficiency (FE) of 84% at an overpotential of −0.49 V. The superior performance is credited to the robust and nanoporous two-dimensional (2D) architecture, which are in favor of fast charge transfer, CO2 adsorption as well as the highly exposure of pyridinic-N active sites. First-principles density functional theory (DFT) calculations confirm that the pyridinic-N can offer favorable binding sites to COOH∗ intermediates and facilitate their subsequent catalytic reduction. This work highlights a new class of low-cost and scalable electrocatalysts for synthetic CO production from CO2 under benign conditions for application." @default.
- W2807856871 created "2018-06-21" @default.
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- W2807856871 date "2018-11-01" @default.
- W2807856871 modified "2023-10-14" @default.
- W2807856871 title "Efficient CO2 electroreduction over pyridinic-N active sites highly exposed on wrinkled porous carbon nanosheets" @default.
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- W2807856871 doi "https://doi.org/10.1016/j.cej.2018.06.077" @default.
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