Synthesis of Fe3O4/Graphene oxide/Pristine graphene Composite and Its Application in Electrochemical Sensor

被引：3
|
作者：
Cai, Linlin [1 ]
Shang, Yangyang [1 ]
Jiang, Xiaoqing [1 ]
机构：
[1] Nanjing Normal Univ, Coll Chem & Mat Sci, Jiangsu Key Lab New Power Batteries, Nanjing 210023, Peoples R China
来源：
6TH ANNUAL INTERNATIONAL WORKSHOP ON MATERIALS SCIENCE AND ENGINEERING | 2020年 / 1622卷
关键词：
OXIDE; FILMS;
D O I：
10.1088/1742-6596/1622/1/012096
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, a Fe3O4/graphene oxide (GO)/pristine graphene (PG) ternary composite was synthesized successfully by a two-step method: first graphite was added into GO dispersion to get the GO/PG composite, followed by loading Fe3O4 nanoparticles via a co-precipitation method. The structure of Fe3O4/GO/PG was characterized by scanning electron microscopy (SEM) and X-ray photoelectron spectroscopy (XPS). Compared with the Fe3O4/GO binary composite, Fe3O4/GO/PG composite shows more excellent properties. An electrochemical sensor fabricated with Fe3O4/GO/PG was used to detect dopamine (DA). The linear detection ranges of DA is 5-50 M with detection limits of 3.37 mu M.
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页数：6
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