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Abstract:The electrocatalytic C-N coupling of CO2 with NOx for green synthesis of urea has emerged as a prominent research, with the design of highly efficient electrocatalyst being a critical challenge. Here, we investigated the C-N coupling activity of CO2 with nitrite by modulating different crystal facets of TiO2. It was shown that the TiO2 (100) single-crystal facet is capable of optimizing the adsorption and desorption of reactive intermediates and the introduction of CO2 facilitates the C-N coupling process. Compared to other facets, the TiO2 (100) achieved higher urea yield (212.2 mmol h-1 g-1) and Faradaic efficiency, showing commendable structural and performance stability. This study presents the potential for the application of single-facet electrocatalysts in the area of electrocatalytic C-N coupling.

Volume:396

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Translation or Not:no

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