Synthesis and characterization of lignocellulose/zinc stannate (LC/Zn2SnO4) nano structure based paper electrode for energy storage and energy conversion applications
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Date
2022
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UMT, Lahore
Abstract
Hydrothermal synthesis has been utilized to prepare zinc stannate (Zn2SnO4) nanocrystals by NaOH as a mineralizer. The LC-Zn2SnO4 sheet has been fabricated through filtration and solubility by using corn-silk fibre. The structural, morphological, optical, and electrochemical characteristics of the prepared LC- Zn2SnO4 sheet and Zn2SnO4 nanocrystallites have been analysed by XRD, SEM, FTIR, UV spectrophotometry, and CV (Cyclic Voltammetry). X-ray crystallographic spectra of the Zn2SnO4 indicated that the synthesized nanocrystals having cubic structure and average crystallite size of 24.7nm. SEM micrographs of LC- Zn2SnO4 sheet revealing the spherical shape of NP’s and particles having size in the range of 39-47nm. It also showed that the surface of the LC-Zn2SnO4 sheet signified a hollow-type structure possessing holes and valleys. The red-shifted optical bandgaps of the Zn2SnO4 nanoparticles and LC Zn2SnO4 sheet are 3.7 eV and 2.45 eV respectively. The electrochemical nature of the LC-Zn2SnO4 sheet and Zn2SnO4 nanoparticles have been assessed in aquatic 3M electrolytic solution of KOH by using the CV technique.