基于电化学还原石墨烯修饰电极的过氧化氢传感器  

Electrochemically reduced graphene oxide film modified electrode for hydrogen peroxide sensor

作　　者：邢志鹏 石凤 于素华 王梓玮 李娟 杨占军 Xing Zhi-peng;Shi Feng;Yu Su-hua;Wang Zi-wei;Li Juan;Yang Zhan-jun(Guangling College of Yangzhou University,School of Chemistry and Chemical Engineering of Yangzhou University,Yangzhou 225128,China)

机构地区：[1]广陵学院,化学化工学院,扬州大学,江苏扬州225128

出　　处：《化学传感器》2020年第1期59-63,共5页Chemical Sensors

基　　金：江苏省大学生创新项目(201813987009Y)。

摘　　要：该文基于氧化石墨烯(GO)修饰玻碳电极(GCE)的电化学还原,提出了一种新的检测过氧化氢(H_(2)O_(2))的电化学传感器。首先将制备的氧化石墨烯修饰在GCE的表面,利用电化学的方法原位将GO还原成石墨烯(RGO),并用扫描电子显微镜(SME)和循环伏安法(CV)对RGO进行了表征。在优化条件下,RGO修饰GCE对H_(2)O_(2)的线性范围在2.0~600μmol/L之间,检测限为0.67μmol/L(S/N=3)。该基于电化学还原石墨烯修饰电极的H_(2)O_(2)传感器,制备方法简单、成本低、使用方便。A novel electrochemical sensor was proposed for detection of hydrogen peroxide(H_(2)O_(2))based on electrochemical reduction of graphene oxide(GO)modified glassy carbon electrode(GCE).The electrochemically reduced graphene oxide(RGO)was characterized using scanning electron microscope(SME)and cyclic voltammetry(CV).Under the optimized conditions,the RGO modified GCE showed much wide linear range for H_(2)O_(2) from 2.0 to 600μmol/L with the detection limit of 0.67μmol/L(S/N=3).The proposed method is simple,low-cost and convenient and will be a promising alternative for H_(2)O_(2) sensing.

关 键 词：石墨烯 电化学还原 检测 过氧化氢 

分 类 号：TP212[自动化与计算机技术—检测技术与自动化装置] O657.1[自动化与计算机技术—控制科学与工程] TQ123.6[理学—分析化学]