Article ID Journal Published Year Pages File Type
1640613 Transactions of Nonferrous Metals Society of China 2006 5 Pages PDF
Abstract

Self-sacrificial template, which is freshly precipitated Ni(OH)2 colloid, is used to fabricate ultrafine core-shell nickel spheres. The size distribution, morphology, chemical and catalyzed properties of the synthesized spheres can be controlled by regulating the preparation conditions. The varying conditions are: initial nickel ion concentration, the pH value of the solution, the scouring agent and the anion in saline solution. With very little Ni2+ concentration in the solution, the hollow spheres are formed. The higher the alkali content, the more the ultrafine colloidal cores.

Related Topics
Physical Sciences and Engineering Materials Science Metals and Alloys