期刊
JOURNAL OF COLLOID AND INTERFACE SCIENCE
卷 510, 期 -, 页码 103-110出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2017.09.052
关键词
Pristine graphene; Liquid-phase exfoliation; Organic salt; Sensor; Hydrogen peroxide
资金
- Hubei Key Laboratory of Bioinorganic Chemistry Materia Medica [BCMM201701]
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
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.
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