Colloidal carbon spheres with hydrophilic surface were synthesized using glucose as precursor by hydrothermal methods.Amorphous SiO2,anatase TiO2 and cassiterite SnO2 hollow spheres were successfully prepared using co...Colloidal carbon spheres with hydrophilic surface were synthesized using glucose as precursor by hydrothermal methods.Amorphous SiO2,anatase TiO2 and cassiterite SnO2 hollow spheres were successfully prepared using colloidal carbon spheres as template in conjunciton with the sol-gel method.The hollow spherical structures could be confirmed by TEM and SEM.The BET surface area of hollow spheres were about 183.8 m2/g,32.5m2/g,and 74.3m2/g,respectively.展开更多
文摘Colloidal carbon spheres with hydrophilic surface were synthesized using glucose as precursor by hydrothermal methods.Amorphous SiO2,anatase TiO2 and cassiterite SnO2 hollow spheres were successfully prepared using colloidal carbon spheres as template in conjunciton with the sol-gel method.The hollow spherical structures could be confirmed by TEM and SEM.The BET surface area of hollow spheres were about 183.8 m2/g,32.5m2/g,and 74.3m2/g,respectively.