Rapid synthesis of Cu2O/CuO/rGO with enhanced sensitivity for ascorbic acid biosensing

被引：65
|
作者：
Wang, Bingrong [1 ]
He, Jiacheng [1 ]
Liu, Fangqing [1 ]
Ding, Lei [1 ]
机构：
[1] Hainan Univ, Coll Mat & Chem Engn, Key Lab Trop Biol Resources, Minist Educ, Haikou 570228, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2017年 / 693卷
基金：
中国国家自然科学基金;
关键词：
Ascorbic acid; Biosensors; rGO; Cu2O/CuO; GRAPHENE OXIDE; TRIBOELECTRIC NANOGENERATOR; GLUCOSE; CU2O; NANOSTRUCTURES; PARTICLES; ELECTRODE; SENSORS; FACILE;
D O I：
10.1016/j.jallcom.2016.09.291
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 study, Cu2O/CuO/reduced graphene oxide (rGO) was synthesized through a rapid and convenient microwave-assisted hydrothermal method. The crystal structure and morphology of the as-prepared product were characterized using X-ray diffraction (XRD), field-emission-scanning electron microscopy (FESEM), transmission electron microscopy (TEM), Raman spectroscopy, and X-ray photoelectron spectroscopy (XPS). The electrochemical performance of the novel Cu2O/CuO/rGO biosensor was investigated via cyclic voltammetry. The biosensor was evaluated for ascorbic acid (AA) detection and exhibited a wide linear range of 100 mu M-1000 mu M, a low detection limit of 0.301 mu M, and a sensitivity of 1375.486 mu A mM(-1) cm(-2). (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：902 / 908
页数：7
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