SYNTHESIS OF GO-PEDOT:PSS NANOCOMPOSITES AND STUDY OF THEIR ELECTRICAL PROPERTIES FOR NO2 GAS SENSOR APPLICATION

Mohammed Jawad Kadhim, Noor Raed Hadi, Safa H. Mohammed and Mustafa K. A. Mohammed
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Mohammed Jawad Kadhim: Radiological Techniques Department, Al-Mustaqbal University College, Babylon, Iraq
Noor Raed Hadi: ��Department of Medical Physics, Al-Mustaqbal University College, Babylon, Iraq
Safa H. Mohammed: Radiological Techniques Department, Al-Mustaqbal University College, Babylon, Iraq
Mustafa K. A. Mohammed: ��University of Warith Al-Anbiyaa, Karbala, Iraq

Surface Review and Letters (SRL), 2022, vol. 29, issue 11, 1-7

Abstract: In this study, GO and GO-PEDOT:PSS nanocomposite films were prepared by using the modified Hummer method and spin-coating, respectively. GO-PEDOT:PSS films with different weight ratios of GO (0.015, 0.03, 0.045 and 0.06) were prepared to study the effect of the GO additive on nitrogen dioxide (NO2) sensing performance. XRD and AFM were used to determine the crystal structure and the topography of the GO-PEDOT:PSS films. The effects of GO concentration and temperature on electrical conductivity and the change in activation energy of PEDOT:PSS films were also investigated. The findings show that as the temperature rises, the electrical resistance reduces, and as the concentration increases, the activation energy decreases.

Keywords: Graphene oxide; PEDOT:PSS; nanocomposite; electrical properties; gas sensor (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218625X2250144X

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