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Published in: Journal of Nanoparticle Research 3/2022

01-03-2022 | Research paper

Cu NWs@Pd with controllable diameter: synthesis and their enhanced sensor performances in the detection of glucose and H2O2

Authors: Chunyang Yang, Xinmei Liu, Wenlong Yang, Jiaqi Lin, Xue Li, Jin Wu

Published in: Journal of Nanoparticle Research | Issue 3/2022

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Abstract

In this work, we synthesized bimetallic Cu nanowires@Pd (Cu NWs@Pd) by a facile replacement reaction. Benefiting from the structure anisotropy, the sensor constructed by Cu NWs@Pd with diameter of 40 nm exhibited a superior sensitivity (1363.7 ± 23.5 µA·mM−1·cm−2), which is ca. 11.06-folds higher than that for analogous Cu nanoparticles@Pd. Moreover, the synergistic effect of bimetallic metal enables the Cu NWs@Pd an enhanced sensor performance. At applied potential of 0.8 V vs Ag/AgCl, the sensitivity of Cu NWs@Pd is much higher than that of analogous Cu NWs. And the enhanced factor could reach 2.41. As 0.2 V vs Ag/AgCl was applied, detection range for the Cu NWs@Pd could up to 26.0 mM, which is ca. 1.37-folds for the pure Pd NPs. The preferable performance can be extended to the detection of H2O2. This work showed the non-enzymatic sensor with wide detection range and preferable sensitivity by Cu NWs@Pd, which would provide an efficient strategy to cope with the challenges for the commercialization of non-enzymatic sensor.

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Appendix
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Literature
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Metadata
Title
Cu NWs@Pd with controllable diameter: synthesis and their enhanced sensor performances in the detection of glucose and H2O2
Authors
Chunyang Yang
Xinmei Liu
Wenlong Yang
Jiaqi Lin
Xue Li
Jin Wu
Publication date
01-03-2022
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 3/2022
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-022-05431-5

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