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Materiale Plastice
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https://doi.org/10.37358/Mat.Plast.1964

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Materiale Plastice (Mater. Plast.), Year 2020, Volume 57, Issue 3, 238-248

https://doi.org/10.37358/MP.20.3.5396

Laura-Madalina Cursaru, Ana-Maria Mocioiu, Ioan Albert Tudor, Roxana Mioara Piticescu

Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings


Abstract:
Heavy metals have a major contribution to biosphere pollution due to toxicity. The detection and monitoring of the environmental agents in soil, water and air is very important for the general health of humans and animals. It has been recently shown that electrochemical techniques such as differential pulse voltammetry (DPV) and square wave anodic stripping voltammetry (SWASV) using modified electrodes are very attractive methods for detecting heavy metals. The aim of this paper is to demonstrate the potential of hydrothermal process combined with electrochemical techniques to obtain modified electrodes based on functionalized carbon nanotubes (CNTs) and polyaniline (PANI) for metals detection. Commercial multi-walled carbon nanotubes (MWCNT) were functionalized by a mixture of HNO3/H2SO4 and further used for hydrothermal synthesis of CNT-PANI composites with different mass ratios. The resulted powders were analyzed by spectral (Fourier-Transform Infrared Spectroscopy) and thermal (Differential Scanning Calorimetry) methods, and then dispersed in a surfactant/electrolyte solution for preliminary electrochemical experiments (cyclic voltammetry, CV and DPV) to obtain modified electrodes. The influence of the CNT: PANI mass ratio and the synthesis time on the formation of composites with the desired structural and electrochemical properties were studied. It was found that CNT-PANI composite powder having mass ratio 1:4 and synthesis time 3h has the best structural and thermal characteristics and formed a weakly conductive film on the surface of the glassy carbon electrode. Preliminary electrochemical tests revealed the electroactive forms of polyaniline, through the presence of characteristic oxidation peaks but also reduction peaks, corresponding to reversible redox reactions, demonstrating that glassy carbon electrode has been electrochemically modified with CNT-PANI coatings. Further studies will be conducted to test the potential application of glassy carbon electrode modified with CNT-PANI coatings as electrochemical sensor for heavy metals detection.


Keywords:
carbon nanotubes; polyaniline; hydrothermal synthesis; modified glassy carbon electrodes

Issue: 2020 Volume 57, Issue 3
Pages: 238-248
Publication date: 2020/9/30
https://doi.org/10.37358/MP.20.3.5396
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Creative Commons License
This article is published under the Creative Commons Attribution 4.0 International License
Citation Styles
Cite this article as:
CURSARU, L., MOCIOIU, A., TUDOR, I.A., PITICESCU, R.M., Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings, Mater. Plast., 57(3), 2020, 238-248.

Vancouver
Cursaru L, Mocioiu A, Tudor IA, Piticescu RM. Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings. Mater. Plast.[internet]. 2020 Jul;57(3):238-248. Available from: https://doi.org/10.37358/MP.20.3.5396


APA 6th edition
Cursaru, L., Mocioiu, A., Tudor, I.A. & Piticescu, R.M. (2020). Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings. Materiale Plastice, 57(3), 238-248. https://doi.org/10.37358/MP.20.3.5396


Harvard
Cursaru, L., Mocioiu, A., Tudor, I.A., Piticescu, R.M. (2020). 'Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings', Materiale Plastice, 57(3), pp. 238-248. https://doi.org/10.37358/MP.20.3.5396


IEEE
L. Cursaru, A. Mocioiu, I.A. Tudor, R.M. Piticescu, "Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings". Materiale Plastice, vol. 57, no. 3, pp. 238-248, 2020. [online]. https://doi.org/10.37358/MP.20.3.5396


Text
Laura-Madalina Cursaru, Ana-Maria Mocioiu, Ioan Albert Tudor, Roxana Mioara Piticescu,
Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings,
Materiale Plastice,
Volume 57, Issue 3,
2020,
Pages 238-248,
ISSN 2668-8220,
https://doi.org/10.37358/MP.20.3.5396.
(https://revmaterialeplastice.ro/Articlegs.asp?ID=5396)
Keywords: carbon nanotubes; polyaniline; hydrothermal synthesis; modified glassy carbon electrodes


RIS
TY - JOUR
T1 - Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings
A1 - Cursaru, Laura-Madalina
A2 - Mocioiu, Ana-Maria
A3 - Tudor, Ioan Albert
A4 - Piticescu, Roxana Mioara
JF - Materiale Plastice
JO - Mater. Plast.
PB - Materiale Plastice SRL
SN - 2668-8220
Y1 - 2020
VL - 57
IS - 3
SP - 238
EP - 248
UR - https://doi.org/10.37358/MP.20.3.5396
KW - carbon nanotubes
KW - polyaniline
KW - hydrothermal synthesis
KW - modified glassy carbon electrodes
ER -


BibTex
@article{MatPlast2020P238,
author = {Cursaru Laura-Madalina and Mocioiu Ana-Maria and Tudor Ioan Albert and Piticescu Roxana Mioara},
title = {Hydrothermal Synthesis of Carbon Nanotubes-Polyaniline(CNT-PANI)Composites and Preliminary Electrochemical Characterization of CNT-PANI Coatings},
journal = {Materiale Plastice},
volume = {57},
number = {3},
pages = {238-248},
year = {2020},
issn = {2668-8220},
doi = {https://doi.org/10.37358/MP.20.3.5396},
url = {https://revmaterialeplastice.ro/Articlegs.asp?ID=5396}
}
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