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Volume 45 All articles Published: 25 November 2022 Article ID 0237
JIELIN ZHOU HAOYONG YIN LING WANG HEYU ZHAO ZONGFEI ZHANG JIANYING GONG SHENGJI WU QIULIN NIE
Pt nanoparticles were deposited on NiCo alloy nanosheet arrays using carbon papers as substrates to fabricate the disposable non-enzymatic glucose sensing electrodes. The electrochemical performance of NiCo-Pt nanosheet arrays were systematically investigated. The NiCo-Pt-3 electrode displayed the best glucose sensing performance with high sensitivities of 4903.43 and 2258.21 ${\mu}$A·mM$^{–1}$·cm$^{–2}$ in the wide linear ranges of 1 ${\sim}$M–8 mM ($R^2$ = 0.999) and 8 mM–20mM ($R^2$ = 0.996), respectively. The detection limit at 0.6 V was about 0.25 ${\sim}$M (S/N = 3). The incorporation of Pt greatly improved the electrocatalytic activity of NiCo-Pt-3 for glucose oxidation, during which Pt can not only act as the chargetransfer promoter to improve the catalytic activity of NiCo alloy, but also serve as electrocatalyst for direct glucose oxidation. Moreover, NiCo-Pt-3 also demonstrated high selectivity and preferable feasibility for serum sample analysis.The study of the NiCo-Pt-3 nanosheet array may provide a promising way to construct highly efficient non-enzymatic glucose sensors.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Bulletin of Materials Science | News
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
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