| 초록 |
Tris(2,2’-bipyridyl)ruthenium (II) (Ru(bpy)32+) electrogerated chemiluminescence (ECL) sensor was fabricated by immobilization of Ru(bpy)32+ complex on conducting polymer@SiO2/Nafion composite film on surface of glassy carbon electrode. The conducting polymer@SiO2 nanocomposites were prepared by coating polyamine (PANI), polypyrrole (PPy), and polythiophene (PTh) on the surface of the SiO2 sphere. The conducting polymer@SiO2 nanocomposite was characterized by scanning electron microscopy (SEM), Transmission electron microscopy (TEM), and atomic force microscopy (AFM). The sensitivity and reproducibility of the prepared ECL sensor to tripropylamine (TPA) was evaluated. As results, the PPy@SiO2 composite electrode was high sensitivity and good reproducibility than that of PANI@SiO2 and PTh@SiO2 composite electrode because of interaction strongly between PPy@SiO2 and Ru(bpy)32+ complex. |
