二茂铁
石墨烯
生物传感器
化学
葡萄糖氧化酶
循环伏安法
电极
X射线光电子能谱
傅里叶变换红外光谱
表面改性
工作电极
氧化物
基质(水族馆)
化学工程
纳米技术
电化学
无机化学
有机化学
材料科学
物理化学
工程类
地质学
海洋学
生物化学
作者
Amal Rabti,Carmen C. Mayorga‐Martinez,Luis Baptista-Pires,Noureddine Raouafi,Arben Merkoçi
标识
DOI:10.1016/j.aca.2016.04.010
摘要
A novel ferrocene-functionalized reduced graphene oxide (rGO)-based electrode is proposed. It was fabricated by the drop casting of ferrocene-functionalized graphene onto polyester substrate as the working electrode integrated within screen-printed reference and counter electrodes. The ferrocene-functionalized rGO has been fully characterized using FTIR, XPS, contact angle measurements, SEM and TEM microscopy, and cyclic voltammetry. The XPS and EDX analysis showed the presence of Fe element related to the introduced ferrocene groups, which is confirmed by a clear CV signal at ca. 0.25 V vs. Ag/AgCl (0.1 KCl). Mediated redox catalysis of H2O2 and bio-functionalization with glucose oxidase for glucose detection were achieved by the bioelectrode providing a proof for potential biosensing applications.
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