Document Type

Article

Publication Date

5-2022

Publication Title

Scientific Reports

Volume

12

Issue

1

Pages

1-9 pp.

DOI

10.1038/s41598-022-11563-4

Abstract

In this work, we report a wafer-scale and chemical-free fabrication of nickel (Ni) and copper (Cu) heteroatomic Cu–Ni thin films using RF magnetron sputtering technique for non-enzymatic glucose sensing application. The as-prepared wafer-scale Cu–Ni thin films exhibits excellent electrocatalytic activity toward glucose oxidation with a 1.86 μM detection limit in the range of 0.01 mM to 20 mM range. The Cu–Ni film shows 1.3- and 5.4-times higher glucose oxidation activity in comparison to the Cu and Ni electrodes, respectively. The improved electrocatalytic activity is attributed to the synergistic effect of the bimetallic catalyst and high density of grain boundaries. The Cu–Ni electrodes also possessed excellent anti-interference characteristics. These results indicate that Cu–Ni heteroatomic thin film can be a potential candidate for the development of non-enzymatic glucose biosensor because of its chemical free synthesis, excellent reproducibility, reusability, and long-term stability.

Comments

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit https://creativecommons.org/licenses/by/4.0/.

© The Author(s) 2022

Original Publication Citation

Barbee, B., Muchharla, B., Adedeji, A., Karoui, A., Kumar Sadasivuni, K., Sha, M.S., Abdullah, A.M., Slaughter, G. and Kumar, B., 2022. Cu and Ni Co-sputtered heteroatomic thin film for enhanced nonenzymatic glucose detection. Scientific reports, 12(1) Article 7507. https://doi.org/10.1038/s41598-022-11563-4

ORCID

0000-0002-4307-091X (Slaughter)

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