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http://dx.doi.org/10.6111/JKCGCT.2021.31.2.078

3-Dimensional NiCo2O4 nanostructure prepared by hydrothermal process and its application for glucose sensor  

Jang, Kyu-bong (School of Materials Science and Engineering, Inha University)
Mhin, Sungwook (Department of Advanced Materials Engineering, Kyonggi University)
Publication Information
Journal of the Korean Crystal Growth and Crystal Technology / v.31, no.2, 2021 , pp. 78-83 More about this Journal
Abstract
In this study, we prepared NiCo2O4 nanoparticles with large surface area by hydrothermal synthesis. In order to optimize the processing conditions for spinel NiCo2O4 nanoparticles with large surface area, experimental variables including concentration of Ni and Co precursor, reaction time, and temperature for post-heat treatment were evaluated. Optimized conditions for spinel NiCo2O4 with large surface area were [Ni]/[Co] 1:2 ratio, reaction time for 12 h, and post-heat treatment at 400℃. To investigate the feasibility as potential application for glucose sensor, electrochemical tests of the prepared NiCo2O4 nanoparticles in response to glucose was performed, which suggests that the NiCo2O4 can be suitable for a non-enzymatic-based electrochemical glucose sensor based on its high sensitivity and selectivity for glucose detection.
Keywords
$NiCo_2O_4$; Hydrothermal synthesis; Glucose sensor;
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