Fabrication and Characterization of Polyvalent Metals/ Oxidized Polyvinyl Alcohol Hybrid Films with Improved Proton Conductivity and Optical Performances

Khaled Charradi; Mourad Chemek; Bechir SlimiAhmed M. RamadanAbdullah Y. A. AlzahraniRadhouane ChtourouSherif M. A. S. Keshk

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Fabrication and Characterization of Polyvalent Metals/ Oxidized Polyvinyl Alcohol Hybrid Films with Improved Proton Conductivity and Optical Performances

机译：Fabrication and Characterization of Polyvalent Metals/ Oxidized Polyvinyl Alcohol Hybrid Films with Improved Proton Conductivity and Optical Performances

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In the present work, conductive and optically tunable polyvalent metals chloride (Cu~+, Co~(2+), Al~(3+))- loaded oxidized polyvinyl alcohol (OPVA) hybrid films are fabricated via the solution casting approach. The aluminum chloride /OPVA hybrids displayed better electrical and optical absorption properties than cuprous and cobalt chlorides. The proton conductivity is observed as 4.5 mS/cm for OPVA, 44.4 mS/cm for CuCl/OPVA film, 62.8 mS/cm for CoCl_2/OPVA film, and 96.0 mS/cm for AlCl_3/OPVA film at 90 ℃; hence, the proton conductivity performance of the hybrid films is dependent on the ionic radii of the incorporated cations. Interestingly, the optical absorbance of the A1Cl_3/OPVA manifests a flat optical absorption band in the wavelength range of 340-490 nm. The maximum absorption bands of CuCl/OPVA and CoCl_2/OPVA films shifted toward the blue shift region with a narrow absorption band positioned at around 340 nm. Therefore, the incorporation of doped cations improves the performance of OPVA film for different optoelectronics applications.

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《Journal of polymers and the environment》 |2023年第7期|3167-3181|共15页
作者
Khaled Charradi; Mourad Chemek; Bechir SlimiAhmed M. RamadanAbdullah Y. A. AlzahraniRadhouane ChtourouSherif M. A. S. Keshk;
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Nanomaterials and Systems for Renewable Energy Laboratory, Research and Technology Center of Energy, Technopark Borj Cedria, BP 095 Hammam Lif, Tunisia;

Chemistry Department, Faculty of Science, Alexandria University, P.O. Box 426, 21321 Alexandria, Egypt;

Department of Chemistry, Faculty of Science and Arts, King Khalid University, Mohail Assir, Saudi ArabiaLaboratoire de Recherche: Synthese asymetrique et ingenierie moleculaire de materiaux organiques pour l'electronique organique (LR18ES19), Faculty des Sciences de Monastir, 5000 Monastir, Tunisia;

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Oxidized polyvinyl alcohol; Polyvalent metals; Proton conductivity; Optical;

Fabrication and Characterization of Polyvalent Metals/ Oxidized Polyvinyl Alcohol Hybrid Films with Improved Proton Conductivity and Optical Performances

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