Issue 27, 2016

High performance Cu/Cu2O nanohybrid electrocatalyst for nonenzymatic glucose detection

Abstract

Here we report Cu/Cu2O nanocomposites prepared via potential oscillation. High resolution transmission electron microscopy images reveal a homogeneous distribution of Cu and Cu2O in the composite. Due to the synergistic effect between Cu and Cu2O, the nanohybrids show much lower resistivity and higher glucose oxidation activity (a lower over-potential and higher current-output) compared to the Cu2O counterpart. As an example of application, a nanocomposite-based electrode is employed for a nonenzymatic glucose biosensor application, and exhibits a linear detection upper limit of 40 mM, a sensitivity of 1434.12 μA cm−2 mM−1, and good selectivity.

Graphical abstract: High performance Cu/Cu2O nanohybrid electrocatalyst for nonenzymatic glucose detection

Supplementary files

Article information

Article type
Communication
Submitted
09 maig 2016
Accepted
12 juny 2016
First published
13 juny 2016

J. Mater. Chem. B, 2016,4, 4652-4656

High performance Cu/Cu2O nanohybrid electrocatalyst for nonenzymatic glucose detection

X. Cheng, J. Zhang, H. Chang, L. Luo, F. Nie and X. Feng, J. Mater. Chem. B, 2016, 4, 4652 DOI: 10.1039/C6TB01158F

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