초록 |
The nanoparticles with core-shell structure often exhibit superior physicochemical properties to their single component counterparts, which make them attractive considerable interests both in fundamental research and practical applications. In this study, we prepared silica-coated Au nanoparticles (Au@SiO2) with spherical-type and road-type by a stber-modified method.Subsequently, the Au@SiO2 was annealed at 400 oC for 2h under N2 gas atmosphere in order to remove the used stabilizer.Subsequently, the Au@SiO2 will be irradiated neutron for preparing radioactive nanoparticle (197Au → 198Au) in order to use tracer. |