A new microemulsion method using tetraoctylammonium bromide as a cationic surfactant has been formulated to fabricate thiol-functionalized gold nanoparticles, The nanoparticles were compared with those synthesized by ...A new microemulsion method using tetraoctylammonium bromide as a cationic surfactant has been formulated to fabricate thiol-functionalized gold nanoparticles, The nanoparticles were compared with those synthesized by the multistep Brust two-phase method.The nanoparticle sizes and size distributions fabricated by the two methods were characterized by UV-vis ahsorbance spectroscopy and transmittance electron microscopy. The simple microemulsion method produced the same results as those obtained by the Brust method,展开更多
文摘A new microemulsion method using tetraoctylammonium bromide as a cationic surfactant has been formulated to fabricate thiol-functionalized gold nanoparticles, The nanoparticles were compared with those synthesized by the multistep Brust two-phase method.The nanoparticle sizes and size distributions fabricated by the two methods were characterized by UV-vis ahsorbance spectroscopy and transmittance electron microscopy. The simple microemulsion method produced the same results as those obtained by the Brust method,