The Shanxi Institute of Coal Chemistry,Chinese Academy of Sciences has designed and prepared a multiple confined-zone-based nickel hydrogenation catalyst by means of the atomic layer deposition(ALD)technology.In compa...The Shanxi Institute of Coal Chemistry,Chinese Academy of Sciences has designed and prepared a multiple confined-zone-based nickel hydrogenation catalyst by means of the atomic layer deposition(ALD)technology.In comparison with the non-confined-zone based catalyst,the multiple confined-zone-based nickel catalyst possesses an enhanced catalytic reactivity and catalytic stability for hydrogenation of cinnamaldehyde and nitrobenzene.展开更多
In this paper,dendritic Bi film electrodes with porous structure had successfully been prepared on glassy carbon electrode using a constant current electrolysis method based on hydrogen bubble dynamic templates.The el...In this paper,dendritic Bi film electrodes with porous structure had successfully been prepared on glassy carbon electrode using a constant current electrolysis method based on hydrogen bubble dynamic templates.The electrode prepared using a large applied current density showed an increased internal electroactive area and a significantly improved electrochemical performance.The analytical utility of the prepared dendritic Bi film electrodes for the determination of Pb(Ⅱ)and Cd(Ⅱ)in the range of 5–50 μg·L^(-1)were presented in combination with square wave stripping voltammetry in model solution.Compared with non-porous Bi film electrode,the dendritic Bi film electrode exhibited higher sensitivity and lower detection limit.The prepared Bi film electrode with dendritic structure was also successfully applied to real water sample analysis.展开更多
文摘The Shanxi Institute of Coal Chemistry,Chinese Academy of Sciences has designed and prepared a multiple confined-zone-based nickel hydrogenation catalyst by means of the atomic layer deposition(ALD)technology.In comparison with the non-confined-zone based catalyst,the multiple confined-zone-based nickel catalyst possesses an enhanced catalytic reactivity and catalytic stability for hydrogenation of cinnamaldehyde and nitrobenzene.
基金Supported by the National Natural Science Foundation of China(51472073,51201058)
文摘In this paper,dendritic Bi film electrodes with porous structure had successfully been prepared on glassy carbon electrode using a constant current electrolysis method based on hydrogen bubble dynamic templates.The electrode prepared using a large applied current density showed an increased internal electroactive area and a significantly improved electrochemical performance.The analytical utility of the prepared dendritic Bi film electrodes for the determination of Pb(Ⅱ)and Cd(Ⅱ)in the range of 5–50 μg·L^(-1)were presented in combination with square wave stripping voltammetry in model solution.Compared with non-porous Bi film electrode,the dendritic Bi film electrode exhibited higher sensitivity and lower detection limit.The prepared Bi film electrode with dendritic structure was also successfully applied to real water sample analysis.
