Influence of Ag2O Nanoparticles on the Ammonia Gas Sensing Properties of CNT/P3HT Composite Films

Haydar Abdulmeer Abbas; Wissem Cheikhrouhou-Koubaa

doi:10.51173/jt.v6i4.2577

Authors

Haydar Abdulmeer Abbas Centre de Recherche en Numérique de Sfax (CRNS), Faculty of Science of Sfax, University of Sfax, Technopole of Sfax, Tunisia
Wissem Cheikhrouhou-Koubaa Centre de Recherche en Numérique de Sfax (CRNS), Faculty of Science of Sfax, University of Sfax, Technopole of Sfax, Tunisia

DOI:

https://doi.org/10.51173/jt.v6i4.2577

Keywords:

Nanoparticles, Ammonia Gas Sensing, Composite Films, P3HT, Carbon Nanotube

Abstract

In this research, the CNT/P3HT and CNT/P3HT@Ag₂O composite films were prepared to be utilized as the ammonia gas sensor. Moreover, the impact of the synthesized composites on ammonia gas sensing and the effect of Ag₂O nanoparticles on the properties of the composites were examined. The layers were analyzed using XRD, AFM, FTIR, and gas sensing analysis, providing insights into their potential for improving ammonia gas sensing. Despite changes in the P3HT to CNT ratios, the XRD analysis of the CNT/P3HT and CNT/P3HT@Ag₂O composite films revealed the same structural properties for the carbon nanotubes. In accordance with the data obtained from the FTIR test of the composite films, characteristic P₃HT bands and various functional groups were detected. As the gas sensing analysis indicated, the sensitivity increased with the increasing ratio of P₃HT to CNT, and the highest sensitivity was achieved by the CNT/P3HT (0.7) sensor. Moreover, the addition of silver oxide further increased the sensitivity. These results suggest that the CNT/P3HT@Ag₂O film sensor is highly sensitive to ammonia gas and can be a promising sensor for the detection of ammonia gas.

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Author Biographies

Haydar Abdulmeer Abbas , Centre de Recherche en Numérique de Sfax (CRNS), Faculty of Science of Sfax, University of Sfax, Technopole of Sfax, Tunisia

PhD student

Wissem Cheikhrouhou-Koubaa, Centre de Recherche en Numérique de Sfax (CRNS), Faculty of Science of Sfax, University of Sfax, Technopole of Sfax, Tunisia

After obtaining a Bachelor Science degree in Physics from the faculty of science in Sfax, which earned me the price of His Excellency the President of the Tunisian Republic in July 1997, I pursued my post-graduate studies at Joseph Fourier University in Grenoble (France) and I got the Master Degree Diploma in Materials Science in June 1998. The doctoral thesis was conducted between October 1998 and March 2002 in the Institute of Electronics in the field of Solid State Physics (Paris-Sud University, France). I had then the opportunity to have a postdoctoral internship at the Atomic Energy Commission (CEA, Saclay, France) during the period January 2003- September 2003. I received the HDR degree from Tunis Carthage University in January 2008. I was recruited in September 2002 as assistant at the Faculty of Sciences of Sfax and actually I am full Professor at the Digital Research Center of Sfax and I direct the laboratory of technology of smart systems "LT2S".

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