A SiO2@PPy core/shell structure was synthesized by performing the polymerization of pyrrole monomers around SiO2 spheres.For the first time,the SiC hollow spheres with a high surface area was prepared from the SiO2@PP...A SiO2@PPy core/shell structure was synthesized by performing the polymerization of pyrrole monomers around SiO2 spheres.For the first time,the SiC hollow spheres with a high surface area was prepared from the SiO2@PPy with a core/shell structure by using a carbothermal reduction reaction technique.The preparation process and the structures of the products were characterized with XRD,TEM,SEM,N2 adsorption-desorption isotherms and XPS.The results indicate that β-SiC hollow spheres with a specific surface area of 101.3 m2/g could be prepared from the SiO2@PPy with a core/shell structure.展开更多
基金supported by the National Natural Science Foundation of China(Nos.91122034,51125006,61376056,51402336,51052311)the Foundation of Science and Technology Commission of Shanghai,China(Nos.13JC1405700,14YF1406500)~~
基金supported by the Science and Technology Commission of Shanghai Municipal Government, China (055211005)Program of Shanghai Institute of Ceramics, Chinese Academy of Sciences (SCX200707)~~
文摘A SiO2@PPy core/shell structure was synthesized by performing the polymerization of pyrrole monomers around SiO2 spheres.For the first time,the SiC hollow spheres with a high surface area was prepared from the SiO2@PPy with a core/shell structure by using a carbothermal reduction reaction technique.The preparation process and the structures of the products were characterized with XRD,TEM,SEM,N2 adsorption-desorption isotherms and XPS.The results indicate that β-SiC hollow spheres with a specific surface area of 101.3 m2/g could be prepared from the SiO2@PPy with a core/shell structure.
