A novel method to prepare two-dimensional manganese dioxide and its potential application as a sensor to detect hydrogen peroxide and L-ascorbic acid in water

A sensitive sensor for the rapid detection of L-ascorbic acid (AA) and hydrogen peroxide (H2O2) was fabricated with two-dimensional MnO2 nanoparticles. The two-dimensional MnO2 nanoparticles are favorable for fabrication of sensors, due to its enhanced electrochemical property. The two-dimensional M...

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Bibliographic Details
Published in:Separation science and technology 2019-01, Vol.54 (2), p.258-264
Main Authors: Singh, Vijay Kumar, Patel, Chetan M.
Format: Article
Language:English
Subjects:
Ascorbic acid
Crystal structure
Detection
Electrochemistry
Electron microscopy
Fabrication
Hydrogen peroxide
Manganese
Manganese dioxide
Morphology
Nanoparticles
Oxidation
Sensitivity analysis
Sensitivity enhancement
Sensors
Transmission electron microscopy
Vitamin C
X-ray diffraction
X-ray diffraction analysis
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Summary:A sensitive sensor for the rapid detection of L-ascorbic acid (AA) and hydrogen peroxide (H2O2) was fabricated with two-dimensional MnO2 nanoparticles. The two-dimensional MnO2 nanoparticles are favorable for fabrication of sensors, due to its enhanced electrochemical property. The two-dimensional MnO2 nanoparticles were prepared in two different types of stirred media mills. The morphological characterization was conducted by transmission electron microscopy (TEM), high resolution transmission electron microscopy (HR-TEM). The crystal structure of MnO2 nanoparticles was characterized by X-Ray diffraction analysis. The sensor based on MnO2 nanoparticles exhibits high sensitivity due to the enhanced oxidation at two-dimensional MnO2 nanoparticles surface.
ISSN:0149-6395
1520-5754
DOI:10.1080/01496395.2018.1437181