Preparation and characterization of nanoporous nickel using PS bead as physical template
Monodisperse PS beads were prepared by miroemulsion polymerization method. Styrene monomer(0.99%), potassium persulfate(0.44%), and sodium dodecyl sulfonate (0.27%) was used as precursor, initiator, and surface active agent, respectively，and then used a novel and simple electroless plating method coating nickel on PS beads substrate by pd-free activation process (nickel acetate 2.27%,.sodium borohydrate 2.27%, and sodium hypophosphite 2.50%),lastly, the mixture samples were annealed at 500℃ for 5 h to obtain nanoporous nickel. SEM, EDS ,XRD was used to characterize these samples. N2 sorption was used to analyses of pore structure.The results indicate that pure PS beads show 120-150 nm of particle size, while the aperture of the nanoporous nickel is about 100-130 nm of particle size, the shell thickness is about 15-20 nm, and the specific surface areas is 161.69 m2 g.1.
XU Jing-hua GENG Hao-ran SUN Jia-wei DING Liu-wei
School of Materials Science and Engineering, University of Jinan, Jinan 250022, China School of Chemistry and Chemical Engineering,Shandong University,Jinan 250100,China
国际会议
桂林
英文
1-5
2010-11-16（万方平台首次上网日期，不代表论文的发表时间）