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Controllable Synthesis of Barnyardgrass-like CuO/Cu2O Heterostructure Nanowires for Highly Sensitive Non-enzymatic Glucose Sensor

Abstract

Rationally constructing the one-dimensional (1D) nanomaterials with hierarchical structure, including multi-block, core/shell and branching structures, represents the significant challenge and the crucial step toward to control their electrical, optical and mechanical properties in the nanoscience and the nanotechnology. Herein, we firstly develop a synergy approach integrating the precipitation and microwave processes to fabricate the barnyardgrass-like CuO/Cu2O heterostructure nanowires. The solvent of PEG200 in microwave process is the key as the template for the formation of the barnyardgrass-like hierarchical nanostructure in the ahead reaction, as well as the reductant for CuO converting into Cu2O in the subsequent reaction. Furthermore, the barnyardgrass-like CuO/Cu2O heterostructure nanowires have been employed for the glucose sensor with the high sensitivity of 1281 μA mM-1 cm-2, detection limit of 16.7 μM and good stability over 20 cycling. This stepwise synergistic approach opens a new avenue for controllably synthesizing the hierarchical-structure nanomaterials, which supports advanced nanomaterials for the wide pratical application with excellent performance.

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Publication details

The article was received on 02 Aug 2019, accepted on 26 Sep 2019 and first published on 27 Sep 2019


Article type: Paper
DOI: 10.1039/C9TC04231H
J. Mater. Chem. C, 2019, Accepted Manuscript

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    Controllable Synthesis of Barnyardgrass-like CuO/Cu2O Heterostructure Nanowires for Highly Sensitive Non-enzymatic Glucose Sensor

    Q. Zhou, M. Zhuo, R. Chen, S. Wang, Z. Wang, M. Zheng and L. Liao, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC04231H

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