2022
DOI: 10.1371/journal.pone.0270164
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Synthesis of encapsulated ZnO nanowires provide low impedance alternatives for microelectrodes

Abstract: Microelectrodes are commonly used in electrochemical analysis and biological sensing applications owing to their miniaturised dimensions. It is often desirable to improve the performance of microelectrodes by reducing their electrochemical impedance for increasing the signal-to-noise of the recorded signals. One successful route is to incorporate nanomaterials directly onto microelectrodes; however, it is essential that these fabrication routes are simple and repeatable. In this article, we demonstrate how to … Show more

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“…Impedance is expected to depend primarily on the diffusion geometry and diffusion length distribution in the nanoparticles. In addition, an improved electrode-electrolyte interface, a barrier layer effect, increased surface area, and the controlled size and geometry of the dispersed nanoparticles may collectively lead to a reduction in electrode impedance [8,43].…”
Section: Discussionmentioning
confidence: 99%
“…Impedance is expected to depend primarily on the diffusion geometry and diffusion length distribution in the nanoparticles. In addition, an improved electrode-electrolyte interface, a barrier layer effect, increased surface area, and the controlled size and geometry of the dispersed nanoparticles may collectively lead to a reduction in electrode impedance [8,43].…”
Section: Discussionmentioning
confidence: 99%