Morphological, Dielectric, and Impedance Study of Ag-Coated Lead Oxide–Lignocellulose Composite Sheets for Energy Storage and Tunable Electric Permittivity Applications

Ali Raza, Ishrat Sultana, Aneeqa Bashir, Shahzada Qamar Hussain, Zahid Ullah, S. Hassan M. Jafri, Naveed-UL Haq, Shahid Atiq, Youngkuk Kim, Eun-Chel Cho (), Junsin Yi () and Aamir Razaq ()
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Ali Raza: Department of Physics, University of the Punjab, Lahore 54590, Pakistan
Ishrat Sultana: Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
Aneeqa Bashir: Department of Physics, University of the Punjab, Lahore 54590, Pakistan
Shahzada Qamar Hussain: Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
Zahid Ullah: Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan
S. Hassan M. Jafri: Department of Electrical Engineering, Mirpur University of Science and Technology, Azad Jammu Kashmir 10250, Pakistan
Naveed-UL Haq: Department of Physics, Rawalpindi Women University, 6th Road Satellite Town, Rawalpindi 46300, Pakistan
Shahid Atiq: Centre of Excellence in Solid State Physics, University of the Punjab, Lahore 54000, Pakistan
Youngkuk Kim: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Gyeonggi-Do, Korea
Eun-Chel Cho: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Gyeonggi-Do, Korea
Junsin Yi: College of Information and Communication Engineering, Sungkyunkwan University, Suwon 16419, Gyeonggi-Do, Korea
Aamir Razaq: Department of Physics, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan

Energies, 2022, vol. 15, issue 21, 1-11

Abstract: Functional materials, in the combination of lignocelluloses, known as natural fibers, with oxide materials, can result in cultivating functional properties such as flexibility, relativity good electrical conduction, good electrical charge storage capacity, and tunable electric permittivity. This study presents the morphological, dielectric, and impedance properties of lignocellulose–lead oxide (LC/PbO 2 ) composite sheets electrodeposited with silver metallic nanoparticles for various time spans. The uncoated samples show a rather simple behavior where the impedance data fit well to the two-system model with different relaxation times. On the other side, the impedance spectra of the electrodeposited sample have varying features, which mainly depend upon the deposition thickness of the Ag particles. The common feature is the drift of conductive species, as seen from the straight-line behavior in the Nyquist plots, which were fitted using a Warburg element in the equivalent circuit model.

Keywords: electric permittivity; electrodeposition; natural fibers; paper electrodes; energy storage (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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