It is vital to develop efficient catalysts for desulfurization in fuels,reducing the pollution caused by sulfur oxides.In this study,polyoxometalate-based ionic liquid supported three-dimensionally ordered macroporous...It is vital to develop efficient catalysts for desulfurization in fuels,reducing the pollution caused by sulfur oxides.In this study,polyoxometalate-based ionic liquid supported three-dimensionally ordered macroporous silica(IL-3DOM SiO_(2))was successfully prepared for heterogeneous oxidative desulfurization of aromatic sulfur compounds.The as-prepared material was characterized using FTIR,XRD,XPS,SEM,TEM,and BET analysis,exhibiting a large pore size and a high specific surface area.The hybrid material with a 3DOM structure exhibited excellent desulfurization performance on aromatic sulfur compounds under mild conditions.Furthermore,no obvious decrease in activity was observed after seventeen cycles,revealing a good stability of the hybrid material.The as-prepared IL-3DOM SiO_(2) is an ideal candidate for applications in the future desulfurization industry.展开更多
Intermetallic ternary Mo-nitrides are important functional materials due to their unique physical and chemical properties.However,the preparation of this class of materials is usually divided into two steps:the first ...Intermetallic ternary Mo-nitrides are important functional materials due to their unique physical and chemical properties.However,the preparation of this class of materials is usually divided into two steps:the first step is the preparation of the ternary oxides,the second step is the nitridation of the ternary oxides.In this study,a facile procedure for synthesizing ternary Mo-nitrides has been reported.Co_(3)Mo_(3)N and Fe_(3)Mo_(3)N nanoparticles have been synthesized by a one step solid state reaction in a sealed autoclave at 750℃.The structures and morphologies of the obtained products are derived from X-ray diffraction and electron microscopy.Furthermore,the oxidation resistances and magnetic properties of the obtained products have been investigated.展开更多
基金supported by the National Nature Science Foundation of China(No.21776116,21406092,and 21722604)the National Science and Technology Program(2017YFB0306*04-1*)+2 种基金the Postdoctoral Foundation of China(No.2017M621646)Advanced Talents of Jiangsu University(No.13JDG080)a project funded by the Priority Academic Program Development of Jiangsu Higher Education Institutions(PAPD).
文摘It is vital to develop efficient catalysts for desulfurization in fuels,reducing the pollution caused by sulfur oxides.In this study,polyoxometalate-based ionic liquid supported three-dimensionally ordered macroporous silica(IL-3DOM SiO_(2))was successfully prepared for heterogeneous oxidative desulfurization of aromatic sulfur compounds.The as-prepared material was characterized using FTIR,XRD,XPS,SEM,TEM,and BET analysis,exhibiting a large pore size and a high specific surface area.The hybrid material with a 3DOM structure exhibited excellent desulfurization performance on aromatic sulfur compounds under mild conditions.Furthermore,no obvious decrease in activity was observed after seventeen cycles,revealing a good stability of the hybrid material.The as-prepared IL-3DOM SiO_(2) is an ideal candidate for applications in the future desulfurization industry.
基金supported by the National Natural Science Foundation of China(no.21701061)the Natural Science Foundation of Jiangsu Province(no.BK20160292)the Natural Science Foundation of the Higher Educations Institutions of Jiangsu Province(no.16KJB150013,17KJB430014).
文摘Intermetallic ternary Mo-nitrides are important functional materials due to their unique physical and chemical properties.However,the preparation of this class of materials is usually divided into two steps:the first step is the preparation of the ternary oxides,the second step is the nitridation of the ternary oxides.In this study,a facile procedure for synthesizing ternary Mo-nitrides has been reported.Co_(3)Mo_(3)N and Fe_(3)Mo_(3)N nanoparticles have been synthesized by a one step solid state reaction in a sealed autoclave at 750℃.The structures and morphologies of the obtained products are derived from X-ray diffraction and electron microscopy.Furthermore,the oxidation resistances and magnetic properties of the obtained products have been investigated.