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Optical, thermal and dielectric properties of Copper Oxide (CuO)/ chitosan (CS)/ Polyethylene oxide (PEO) blends

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Abstract

Chitosan (CS)/ Polyethylene oxide (PEO) blend doped with Copper Oxide (CuO) have been produced by casting technique and the copper oxide was inserted through co-polymeric blend via laser ablation route. The nanocomposites have been investigated via XRD, FTIR, HRTEM, and FESEM, thermal, electrical, and optical examinations. The morphological features with TEM technique show injected CuO average grain size 6.7 nm for co-polymeric based nano-composites with t = 10 min, while with increasing irradiation time to reach 20 min (raising CuO content), size increases that the CuO clumps display average grain size 12.1 nm. FESEM micrographs clarify that the raising of laser irradiation time to 20 min boosts porous structure formation. Additionally, roughness average shows clear enhancement with CuO insertion that Pure Co-polymeric blend records 30.09 nm and it gets the highest value with the highest concentration of transition metal oxide (CuO) at t = 20 min (37.25 nm). Moreover, in the liquid phase pure blend represents the widest direct bandgap with 2.7 e.V, while in film form CuO/CS/PEO ternary composite with t = 10 min represents the widest direct bandgap with 3.8 e.V. The change in dielectric constant (ε′) with raising frequency then comes to be almost stable. The observed decreasing pattern is explained by the interaction of dipoles by the applied field. Henceforth, compositional, and morphological changes of polymeric composites provoke a huge development for optoelectrical applications.

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Acknowledgements

The authors express their appreciation to the Deanship of Scientific Research at King Khalid University, Saudi Arabia, for funding this work through research groups program under grant of number R.G.P.2/276/42.

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Authors and Affiliations

  1. Physics Department, Plasma Technology and Material Science Unit, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, 11942, Al-kharj, Saudi Arabia

    M. A. El-Morsy

  2. Physics Department, Faculty of Science, University of Damietta, New Damietta, 34517, Egypt

    M. A. El-Morsy

  3. Chemistry Department, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia

    Nasser S. Awwad

  4. Advanced Functional Materials & Optoelectronic Laboratory (AFMOL), Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, Saudi Arabia

    H. Elhosiny Ali

  5. Physics Department, Faculty of Science, Zagazig University, Zagazig, Egypt

    H. Elhosiny Ali

  6. Laser Technology Unit, Center of Excellent for Advanced Science, National Research Center, Dokki, Giza, 12622, Egypt

    A. A. Menazea

  7. Spectroscopy Department, Physics Research Institute, National Research Centre, Dokki, Giza, 12622, Egypt

    A. A. Menazea

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  1. M. A. El-Morsy
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El-Morsy, M.A., Awwad, N.S., Ali, H.E. et al. Optical, thermal and dielectric properties of Copper Oxide (CuO)/ chitosan (CS)/ Polyethylene oxide (PEO) blends. J Polym Res 29, 177 (2022). https://doi.org/10.1007/s10965-022-03025-2

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