NDLI: Electrophoretic Deposition of Co3O4 Particles/Reduced Graphene Oxide Composites for Efficient Non-Enzymatic H2O2 Sensing.

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Electrophoretic Deposition of Co₃O₄ Particles/Reduced Graphene Oxide Composites for Efficient Non-Enzymatic H₂O₂ Sensing.

Content Provider	Europe PMC
Author	Wang, Qian Wang, Yuzhe Xiao, Guiyong Zhu, Xinde
Editor	Obraztsov, Alexander N.
Copyright Year	2023
Abstract	In this work, the facile fabrication of Co₃O₄ particles/reduced graphene oxide (Co₃O₄/rGO) composites on Indium tin oxide (ITO) slide was achieved by an electrophoretic deposition and annealing process. The deposition time and ratio of the precursors were optimized. Structural characterization and chemical composition investigation indicated successful loading of Co₃O₄ particles on graphene sheets. When applied as a non-enzymatic H₂O₂ sensor, Co₃O₄/rGO showed significant electrocatalytic activity, with a wide linear range (0.1-19.5 mM) and high sensitivity (0.2247 mA mM^-1 cm^-2). The good anti-interference ability, reproducibility, and long-term stability of the constructed sensor were also presented. The application of Co₃O₄/rGO in real sample analysis was evaluated in human urine sample with satisfactory results, indicating the feasibility of the sensor in physiological and medical applications.
Journal	Materials (Basel)
Volume Number	16
DOI	10.3390/ma16031261
PubMed Central reference number	PMC9918914
Issue Number	3
PubMed reference number	36770267
e-ISSN	19961944
Language	English
Publisher	Molecular Diversity Preservation International (MDPI)
Publisher Date	2023-02-01
Access Restriction	Open
Subject Keyword	reduced graphene oxide cobalt oxide particles electrophoretic deposition non-enzymatic sensing hydrogen peroxide
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Materials Science

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