期刊
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
卷 6, 期 2, 页码 1909-1918出版社
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b03314
关键词
Dendrite; Electrodeposition; Nonenzymatic glucose sensor; Pencil graphite electrode; Porous structure
资金
- University Grants Commission (UGC), New Delhi, India [MRP-MAJOR-CHEM-2013-36681]
- Council of Scientific and Industrial Research (CSIR), New Delhi, India [09/201/0413/2016-EMR-I]
- Buan Regional Innovation System (Buan RIS) - CBNU Buan Regional Innovation System [1301002789]
Three-dimensional (3D) copper cobalt (Cu-Co)/reduced graphene oxide (rGO) hierarchical architectures are electrochemically deposited over a pencil graphite electrode (PGE), and the modified PGE is directly exploited as a binder-free and disposable electrode for high performance nonenzymatic glucose sensors. The morphological features substantiate that the Cu-Co nanostructures display a 3D, open, porous, interconnected network architecture, in which the rGO layers are tightly pinned among the nanofeelers. Owing to the benefits of dendrite architectures and optimized composition, Cu-Co/rGO/PGE demonstrates better glucose oxidation behavior under alkaline conditions. Being a nonenzymatic glucose sensor, Cu-Co/rGO/PGE demonstrates excellent gluose detection properties with considerable chloride poisoning resistance. The excellent analytical performance of Cu-Co/rGO/PGE comprehends its application in human serum samples. Thus, this report paves constructive opportunities for the development of disposable, environmentally benign, binder-free, cost-efficient, and scalable 3D electrodes, which may be beneficial for the development of economically viable nonenzymatic glucose sensor devices.
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