聚苯胺
纳米复合材料
材料科学
检出限
电化学
电极
化学工程
电化学气体传感器
纳米颗粒
氧化还原
复合数
玻璃碳
纳米技术
循环伏安法
聚合物
复合材料
聚合
色谱法
物理化学
冶金
化学
工程类
作者
C. Vanitha,Anandhavelu Sanmugam,A. Yogananth,M. Rajasekar,P.G. Kuppusamy,G. Devasagayam
标识
DOI:10.1016/j.matlet.2022.133149
摘要
In this work, an enhanced electrochemical sensor for dopamine (DA) is constructed based on the tungsten nanoparticles with a polyaniline nanocomposite (PANI-WO3) coated glassy carbon electrode (GCE). The obtained PANI-WO3/GCE film displayed a notable enhancement of electrocatalytic activity for DA with significant redox property. The PANI-WO3/GCE sensors displayed excellent detection for DA with a detection limit of 0.139 μmol/L revealed a good linear relationship with concentration from 20 − 300 µM (S/N = 3). PANI and WO3 composite shows significant electrochemical oxidation of DA.
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