Facile fabrication and enhanced properties of copper-based metal organic framework incorporated with graphene for non-enzymatic detection of hydrogen peroxide

被引：38
作者：
Golsheikh, Amir Moradi [1 ]
Yeap, Guan-Yeow [1 ]
Yam, Fong Kwong [2 ]
Lim, Hwee San [2 ]
机构：
[1] Univ Sains Malaysia, Sch Chem Sci, Minden 11800, Penang, Malaysia
[2] Univ Sains Malaysia, Sch Phys, Minden 11800, Penang, Malaysia
来源：
SYNTHETIC METALS | 2020年 / 260卷
关键词：
Metal-organic framework; 1,3,5-benzene-tricarboxylate; Graphene oxide; Reflux method; Electrochemical sensor; Hydrogen peroxide; ONE-STEP SYNTHESIS; ELECTROCHEMICAL DETECTION; SONOCHEMICAL SYNTHESIS; OXIDE; SENSOR; REDUCTION; H2O2; PERFORMANCE; COMPOSITE; ELECTRODE;
D O I：
10.1016/j.synthmet.2019.116272
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Present work demonstrates the fabrication of a copper-based metal-organic framework (Cu-MOF) incorporated with graphene oxide (Cu-BTC-MOF/GO) (BTC = 1,3,5-benzene-tricarboxylate and GO = graphene oxide) via the reflux method. The X-ray diffraction and Fourier transform infrared spectroscopy confirmed the formation of Cu-BTC-MOF in the presence of GO nanosheets. The modification of indium tin oxide (ITO) electrode was carried out by drop-casting of Cu-BTC-MOF/GO composite and electrochemical reduction of GO to electrochemically reduced graphene oxide (ERGO). The Cu-BTC-MOF/ERGO/ITO electrode exhibited notable electrocatalytic activity for the reduction of H2O2 leading to a non-enzymatic electrochemical sensor and this phenomenon can be ascribed to the synergetic effects of Cu-BTC-MOF and graphene. The corresponding calibration curve of the current response showed a linear detection range of 4 mu M to 17.334 mM (R-2 = 0.996) and the limit of detection was estimated to be 0.44 mu M.
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页数：7
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