Synthesized PANI/CeO2 Nanocomposite Films for Enhanced Anti-Corrosion Performance

Author:

Alsaad Ahmad M.1ORCID,Al-Hmoud Mohannad2,Rababah Taha M.3ORCID,Marashdeh Mohammad W.2ORCID,Aljaafreh Mamduh J.2,Abu Alrub Sharif2,Binzowaimil Ayed2,Telfah Ahmad45

Affiliation:

1. Department of Physics, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan

2. Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia

3. Department of Nutrition and Food Technology, Faculty of Agriculture, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan

4. Department of Physics, University of Nebraska at Omaha, Omaha, NE 68182, USA

5. Nanotechnology Center, The University of Jordan, Amman 11942, Jordan

Abstract

This study introduces a novel nanocomposite coating composed of PANI/CeO2 nanocomposite films, aimed at addressing corrosion protection needs. Analysis through FTIR spectra and XRD patterns confirms the successful formation of the nanocomposite films. Notably, the PANI/CeO2 nanocomposite films exhibit a hydrophilic nature. The bandgap energy of the PANI composite film is measured to be 3.74 eV, while the introduction of CeO2 NPs into the PANI matrix reduces the bandgap energy to 3.67 eV. Furthermore, the electrical conductivity of the PANI composite film is observed to be 0.40 S·cm−1, with the incorporation of CeO2 NPs leading to an increase in electrical conductivity to 1.07 S·cm−1. To evaluate its efficacy, electrochemical measurements were conducted to assess the corrosion protection performance. Results indicate a high protection efficiency of 92.25% for the PANI/CeO2 nanocomposite film.

Funder

Deanship of Scientific Research at Imam Mohammad Ibn Saud Islamic University

Publisher

MDPI AG

Reference42 articles.

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2. Rajendran, S., Nguyen, T., Kakooei, A.S., Yeganeh, M., and Li, Y. (2020). Corrosion Protection at the Nanoscale, Elsevier.

3. Effects of highly crystalline and conductive polyaniline/graphene oxide composites on the corrosion protection performance of a zinc-rich epoxy coating;Ramezanzadeh;Chem. Eng. J.,2017

4. In-situ synthesis of Zn doped polyaniline on graphene oxide for inhibition of mild steel corrosion in 3.5 wt.% chloride solution;Taheri;J. Ind. Eng. Chem.,2018

5. Ghali, E., Sastri, V.S., and Elboujdaini, M. (2007). Corrosion Prevention and Protection: Practical Solutions, John Wiley & Sons.

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