Thermal behavior of functionalized conventional polyaniline with hydrothermally synthesized graphene/carbon nanotubes |
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| Authors: | A. N. Fouda A. A. El-Moneim Enas Moustafa A. B. El-Basaty |
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| Affiliation: | 1. Physics Department, Faculty of Science, Suez Canal University, Ismailia, Egypt;2. Physics Department, Faculty of Science and Arts, King Abdul Aziz University, Rabigh, Saudi Arabia;3. anfoudah@kau.edu.sa;5. Graphene Centre for Energy and Electronic Applications, Basic and Applied Sciences Institute, Faculty of Engineering, Egypt-Japan University of Science and Technology, New Borg El-Arab City, Alexandria, Egypt;6. Material Science and Engineering Department/School of Innovative Design Engineering, Egypt-Japan University of Science and Technology, New Borg El-Arab City, Alexandria, Egypt;7. Renewable Energy Science and Engineering Department, Faculty of Postgraduate Studies for Advanced Science, Beni Suef University, Beni Suef, Egypt;8. Basic Science Department, Faculty of Industrial Education, Helwan University, Cairo, Egypt |
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| Abstract: | AbstractConventional polyaniline (PANI) was mixed as a binder polymer matrix with carbonous materials. Hydrothermal technique was utilized to fabricate a nanocomposite of graphene (G)/carbon nanotubes (CNTs). The morphological features and quality of the synthesized PANI, G/CNTs, and their mixtures were investigated. Scanning electron microscopy (SEM) images confirm the formation of wide area graphene sheets with folds around the edges. In addition, the hydrothermally fabricated G/CNTs exhibited a uniform distribution with partial agglomeration. However, adding their mixture to PANI generated a mesh like porous morphology which demonstrates an enhancement in surface area and providing 3D conduction network. Moreover, Raman spectra confirm the quality of the synthesized samples. The generated disorder and defects within the structure, and the ratio of quinoid ring (Q) to benzenoid (B) ring in the fabricated samples were depicted. In addition, the enhancement in thermal parameters and reversing the thermo-electric carrier type into N-type after doping were attributed to the generated facile conduction paths of G/CNTs. |
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| Keywords: | Conventional polyaniline nano-composites graphene/CNTs Seebeck coefficient thermal conductivity hydrothermal technique |
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