초록 |
Polypyrrole (PPy) nanospheres were synthesized by microemulsion polymerization method using myristyltrimethylammonium bromide (MTAB) and decyl alcohol as surfactant and cosurfactant, respectively. PPy nanosphere was dedoped with 1 M NaOH solution, and then redoped with suitable acid containing thiol group. By addition of silver nitrate solution to the redoped PPy nanosphere solution silver nanoparticles with 5-20 nm in diameter are dispersed on PPy nanosphere. The silver-loaded PPy nanosphere exhibited higher electrical conductivity than as-prepared PPy nanospheres. Wide angle X-ray diffraction (WAXD), scanning electron microscopy (SEM), and transmission electron microscopy (TEM) analysis were conducted in order to confirm the silver nanoparticle-loaded PPy nanospheres. |