Electrochemical behaviors of Tween40,Tween80,CTAB and SDS were investigated by cyclic voltammetry using glassy carbon electrode.The results show that the anodic peak current(Ipa) shows a positive change with the incre...Electrochemical behaviors of Tween40,Tween80,CTAB and SDS were investigated by cyclic voltammetry using glassy carbon electrode.The results show that the anodic peak current(Ipa) shows a positive change with the increasing concentration and changes abruptly in the vicinity of the critical micellar concentration(CMC) of the surfactants;the adsorption modes of nonionic surfactants Tween40 and Tween80 accord with sigmoid adsorptionisotherm,the adsorption modes of the ionic surfactants CTAB and SDS accord with SL-shape adsorptionisotherm.展开更多
文摘Electrochemical behaviors of Tween40,Tween80,CTAB and SDS were investigated by cyclic voltammetry using glassy carbon electrode.The results show that the anodic peak current(Ipa) shows a positive change with the increasing concentration and changes abruptly in the vicinity of the critical micellar concentration(CMC) of the surfactants;the adsorption modes of nonionic surfactants Tween40 and Tween80 accord with sigmoid adsorptionisotherm,the adsorption modes of the ionic surfactants CTAB and SDS accord with SL-shape adsorptionisotherm.
