Preparation of pristine graphene in ethanol assisted by organic salts for nonenzymatic detection of hydrogen peroxide

被引：33
|
作者：
Hou, Bingjie [1 ]
Liu, Huaizhi [1 ]
Qi, Shaopeng [1 ]
Zhu, Yinyan [1 ]
Zhou, Bo [1 ]
Jiang, Xiaoqing [1 ]
Zhu, Lihua [2 ]
机构：
[1] Nanjing Normal Univ, Coll Chem & Mat Sci, Jiangsu Key Lab New Power Batteries, 1 Wenyuan Rd, Nanjing 210023, Jiangsu, Peoples R China
[2] Huazhong Univ Sci & Technol, Dept Chem & Chem Engn, Wuhan 430074, Hubei, Peoples R China
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2018年 / 510卷
关键词：
Pristine graphene; Liquid-phase exfoliation; Organic salt; Sensor; Hydrogen peroxide; LIQUID-PHASE EXFOLIATION; MODIFIED ELECTRODE; FUNCTIONALIZED GRAPHENE; HORSERADISH-PEROXIDASE; H2O2; BIOSENSOR; LIVING CELLS; HIGH-QUALITY; NANOPARTICLES; GRAPHITE; CARBON;
D O I：
10.1016/j.jcis.2017.09.052
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：
High quality pristine graphene (PG) dispersions are prepared conveniently via an organic salts assisted exfoliation method in a green, non-toxic, cheap and low boiling point solvent: ethanol. The PG is characterized by transmission electron microscopy and atomic force microscopy. Furthermore, the PG is used as an electrode material for fabrication of nonenzymatic sensor of hydrogen peroxide (H2O2). This nonenzymatic sensor shows enhanced electrocatalytic activity towards H2O2 and displays two linear ranges from 2.0 to 37.0 mu M and 37.0 to 437.0 mu M with a detection limit of 0.19 mu M (S/N = 3), which is comparable to those electrochemical sensors based on metal oxide or noble metal/graphene composites. (C) 2017 Elsevier Inc. All rights reserved.
引用
收藏
页码：103 / 110
页数：8
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