过氧化氢
化学
银纳米粒子
介电谱
循环伏安法
电化学
纳米颗粒
玻璃碳
电化学气体传感器
核化学
化学工程
电极
纳米技术
无机化学
材料科学
有机化学
物理化学
工程类
作者
Feng Wang,Rui Han,Guiting Liu,Huifen Chen,Tianrui Ren,Haifeng Yang,Ying Wen
标识
DOI:10.1016/j.jelechem.2013.08.008
摘要
A non-enzymatic hydrogen peroxide (H2O2) sensor has been developed based on the polydopamine (PDA)/silver nanoparticles (AgNPs) multilayer film (PDA/AgNPs)n modified glassy carbon electrode (GCE). The (PDA/AgNPs)n multilayer film was fabricated by alternatively dropping dopamine and silver ion solution on GCE taking advantages of the exceptional adhesive and reductive properties of self-polymerized PDA. Electrochemical property of (PDA/AgNPs)n modified GCE was characterized by cyclic voltammetry and electrochemical impedance spectroscopy (EIS). Results showed that the as-constructed (PDA/AgNPs)n based sensor possesses encouraging catalytic ability for the reduction of H2O2. The sensor has been employed to test real samples and shows strong potential in practical application.
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