Synthesis of Fe3O4/graphene oxide/pristine graphene ternary composite and fabrication electrochemical sensor to detect dopamine and hydrogen peroxide

被引：20
作者：
Cai, Linlin [1 ]
Hou, Bingjie [1 ]
Shang, Yangyang [1 ]
Xu, Liao [1 ]
Zhou, Bo [1 ]
Jiang, Xinning [2 ]
Jiang, Xiaoqing [1 ]
机构：
[1] Nanjing Normal Univ, Jiangsu Key Lab New Power Batteries, Jiangsu Collaborat Innovat Ctr Biomed Funct Mat, Coll Chem & Mat Sci, 1 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
[2] Nanjing City Vocat Coll, 462 Heyan Rd, Nanjing 210002, Jiangsu, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2019年 / 736卷
关键词：
Pristine graphene; Graphene oxide; Fe3O4; nanoparticle; Dopamine; Hydrogen peroxide; Sensor; IRON-OXIDE NANOPARTICLES; NITROGEN-DOPED GRAPHENE; ONE-POT SYNTHESIS; ASCORBIC-ACID; PRISTINE GRAPHENE; URIC-ACID; NANOCOMPOSITE; FE3O4; BIOSENSOR; GLUCOSE;
D O I：
10.1016/j.cplett.2019.136797
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this work, a new Fe3O4/graphene oxide (GO)/pristine graphene (PG) ternary composite (Fe3O4/GO/PG) was successfully synthesized. The structure of Fe3O4/GO/PG was characterized by transmission electron microscopy (TEM). The TEM result shows that the small PG sheets are attached to the larger GO sheets and the Fe3O4 nanoparticles are anchored on the surface of GO/PG composite. A sensor based on this Fe3O4/GO/PG has been fabricated successfully to detect dopamine (DA) and hydrogen peroxide (H2O2). The linear detection ranges for DA and H2O2 are 0.30-30 mu M and 0.50-277 mu M, respectively, with detection limits of 0.18 and 0.09 mu M.
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页数：6
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