Related Products of 18742-02-4, As an important bridge between the micro and macro material world, chemistry is one of the main methods and means for humans to understand and transform the material world. 18742-02-4, Name is 2-(2-Bromoethyl)-1,3-dioxolane, SMILES is C(C1OCCO1)CBr, belongs to copper-catalyst compound. In a article, author is Kong, Xiangdong, introduce new discover of the category.
Enhance the activity of multi-carbon products for Cu via P doping towards CO2 reduction
Electronic structure engineering is a powerful method to tailor the behavior of adsorbed intermediates on the surface of catalysts, thus regulating catalytic activity towards CO2 electroreduction. Herein, we prepared a series of P-doped Cu catalysts for CO2 electroreduction into multi-carbon (C2+) products by regulating the surface electronic structure of Cu. The introduction of P could stabilize the surface Cu delta+ species, enhancing the activity for C2+ products via adjusting the adsorbed strength of the CO intermediates (*CO). When the molar ratio of P to Cu was 8.3%, the catalyst exhibited a Faradaic efficiency of 64% for C2+ products, which was 1.9 times as high as that (33%) for Cu catalysts at the applied current density of 210 mA cm(-2). Notably, at the applied current density of 300 mA cm(-2), the P-doped Cu catalyst with the molar ratio of P to Cu of 8.3% exhibited the highest partial current density for C2+ products of 176 mA cm(-2), whereas the partial current density for C2+ products over the Cu catalyst was only 84 mA cm(-2). Mechanistic studies revealed that modulating the molar ratios of P to Cu regulated the adsorbed strength of *CO. A moderate adsorbed strength of *CO induced by appropriate P doping was responsible for the facilitated C-C coupling process.
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Reference:
Copper catalysis in organic synthesis – NCBI,
,Special Issue “Fundamentals and Applications of Copper-Based Catalysts”