(Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190 , China)
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DOI:
10.7502/j.issn.1674-3962.2012.01.02
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Abstract:
Metal nanoparticles supported on the core shell particles with SiO2 as core and mesoporous SiO2 as shell and mesoporous SiO2 encapsulated metal nano particles supported on SiO2 particles were prepared in this work. The results showed that SiO2 particles as cores could be coated by mesoporous SiO2 shell with aid of CTAB template and the direction of mesoporous channels was perpendicular to the surface of SiO2 core.