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,
Aamir Razaq
Affiliations
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
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/PbO2) 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.
