Graphene-Carbon Nanotubes Nanocomposite Modified Electrochemical Sensors for Toxic Chemicals

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Graphene-Carbon Nanotubes Nanocomposite Modified Electrochemical Sensors for Toxic Chemicals

A. Sivakami, S. Bagyalakshmi, K.S Balamurugan, Nurul Izrini Ikshan

The unique mechanical, electrical, physical and chemical properties of carbon nanotubes (CNTs) and graphene is showing excellent detection of toxic chemicals. The graphene (GR)-Carbon nanotube (CNT) nanocomposite showed large active surface area, high porosity and electrical conductivity than graphene based or CNT based ones. The electrochemical performance of GR-CNT nanocomposite can be enhanced due to synergistic effects operating between GR and CNT. The electrochemically modified GR-CNT nanocomposites has been used in different applications such as biomedical, pharmaceutical, environmental, energy harvesting, food sector applications. This chapter summarizes the electrochemical sensing of GR-CNTs nanocomposites for detection of heavy metal ions, phenolic compounds, nitrite, nitrate, hydrogen peroxide and etc. GR-CNTs nanocomposite based electrochemical sensors showed the great selectivity, sensitivity and reproducibility for detection of environmental pollutants.

Keywords
Graphene-CNT, Modified Electrode, GR-MWCNTs, Composite, Toxic, Metal Ions, Detection

Published online 8/30/2020, 32 pages

Citation: A. Sivakami, S. Bagyalakshmi, K.S Balamurugan, Nurul Izrini Ikshan, Graphene-Carbon Nanotubes Nanocomposite Modified Electrochemical Sensors for Toxic Chemicals, Materials Research Foundations, Vol. 82, pp 211-242, 2020

DOI: https://doi.org/10.21741/9781644900956-8

Part of the book on Graphene-Based Electrochemical Sensors for Toxic Chemicals

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