Herein,a series of core–shell catalysts(defined as Cu@NC/PC)has been designed and synthesized for the first time using a functional polymer assistant strategy.Evidently,Cu@NC/PC-900-2 shows excellent catalytic perfor...Herein,a series of core–shell catalysts(defined as Cu@NC/PC)has been designed and synthesized for the first time using a functional polymer assistant strategy.Evidently,Cu@NC/PC-900-2 shows excellent catalytic performance in the hydrogenation of nitroarenes due to the large BET surface area and uniformly dispersed metal sites.Furthermore,the honeycomb-like structure is conducive to mass transfer and active site exposure.Both experimental results and theoretical calculations reveal that the N-doping sites are beneficial to the adsorption of the nitro group,making the catalyst display high activity and selectivity under a low H_(2) pressure(0.5 MPa)and temperature(50℃).Most importantly,the catalyst also yields high conversion during the gram-scale catalytic process,which is the key point for practical applications.展开更多
基金supported by the NSFC:(21401004,21903001)the Natural Science Foundation of Anhui Province(1508085QB36,1908085QB58,2008085MB52)+1 种基金the Open Foundation of Anhui Laboratory of Molecule-based Materials(fzj19005)National Creative Plan of Students(201810370443).
文摘Herein,a series of core–shell catalysts(defined as Cu@NC/PC)has been designed and synthesized for the first time using a functional polymer assistant strategy.Evidently,Cu@NC/PC-900-2 shows excellent catalytic performance in the hydrogenation of nitroarenes due to the large BET surface area and uniformly dispersed metal sites.Furthermore,the honeycomb-like structure is conducive to mass transfer and active site exposure.Both experimental results and theoretical calculations reveal that the N-doping sites are beneficial to the adsorption of the nitro group,making the catalyst display high activity and selectivity under a low H_(2) pressure(0.5 MPa)and temperature(50℃).Most importantly,the catalyst also yields high conversion during the gram-scale catalytic process,which is the key point for practical applications.
