Incorporating a suitable promoter or co-catalyst is an effective strategy for improving the catalytic properties of low-content Pd catalysts.Herein,we report a straightforward method for synthesizing WN-TiO_(2),charac...Incorporating a suitable promoter or co-catalyst is an effective strategy for improving the catalytic properties of low-content Pd catalysts.Herein,we report a straightforward method for synthesizing WN-TiO_(2),characterized by uniformly dispersed WN nanoparticles(NPs),which involves utilizing the evaporation induced self-assembly(EISA)process followed by nitridation.A polyol reduction method was employed to homogeneously anchor Pd NPs on WN-TiO_(2)for the superior hydrogenation of lethal 4-nitrophenol(4-NP)to important fine chemicals.In our set of catalysts,1.0 wt%Pd@WN-TiO_(2)exhibited a remarkable catalytic conversion rate for the 4-NP hydrogenation.Comprehensive characterization techniques were utilized to examine the impact of the synthesis technique on the interfacial properties of Pd species and their catalytic activities.The exceptional conversion rate of the 1.0 wt%Pd@WN-TiO_(2)catalyst is attributable to its unique nanostructural characteristics and the durable synergetic interaction between Pd NPs and WN,which improves the distribution of Pd NPs and increases the availability of surface exposed Pd(Pd0)entities.展开更多
基金supported by the Education Department of Heilongjiang Province Basic Scientific Research Operating Costs Research Project(YWF10236240127)the Natural Sciences Foundation of Heilongjiang Province(LH2023B017)+1 种基金the Scientific Research and Innovation Team of Suihua University(SIT06002)the Harbin University Young Doctor Research Initiation Fund Project(HUDF2024104).
文摘Incorporating a suitable promoter or co-catalyst is an effective strategy for improving the catalytic properties of low-content Pd catalysts.Herein,we report a straightforward method for synthesizing WN-TiO_(2),characterized by uniformly dispersed WN nanoparticles(NPs),which involves utilizing the evaporation induced self-assembly(EISA)process followed by nitridation.A polyol reduction method was employed to homogeneously anchor Pd NPs on WN-TiO_(2)for the superior hydrogenation of lethal 4-nitrophenol(4-NP)to important fine chemicals.In our set of catalysts,1.0 wt%Pd@WN-TiO_(2)exhibited a remarkable catalytic conversion rate for the 4-NP hydrogenation.Comprehensive characterization techniques were utilized to examine the impact of the synthesis technique on the interfacial properties of Pd species and their catalytic activities.The exceptional conversion rate of the 1.0 wt%Pd@WN-TiO_(2)catalyst is attributable to its unique nanostructural characteristics and the durable synergetic interaction between Pd NPs and WN,which improves the distribution of Pd NPs and increases the availability of surface exposed Pd(Pd0)entities.
