Non-noble metal oxides consisting of CuO and TiO 2 (CuO/TiO 2 catalyst) for CO 2 reduction were fabricated using a simple hydrothermal method. The designed catalysts of CuO could be in situ reduced to a metallic Cu-forming Cu/TiO 2 catalyst, which could efficiently catalyze CO 2 reduction to multi-carbon oxygenates (ethanol, acetone, and n-propanol) with a maximum overall faradaic efficiency of 47.4% at a potential of −0.85 V vs. reversible hydrogen electrode (RHE) in 0.5 M KHCO 3 solution. The catalytic activity for CO 2 electroreduction strongly depends on the CuO contents of the catalysts as-prepared, resulting in different electrochemistry surface areas. The significantly improved CO 2 catalytic activity of CuO/TiO 2 might be due to the strong CO 2 adsorption ability.
Pt@Cu NPs were coated on carbon paper and used as a cathode for asymmetric electrohydrogenation of pro-chiral aromatic ketones catalyzed by cinchonidine (CD) alkaloids.
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