Citation
Abstract
This work examines the impact of NaNO3 salt on a NaAlg: PVA blend polymer, focusing on charge carrier properties, such as number density (n), mobility (μ), and diffusion coefficient (D). It is found that the addition of NaNO3 increased the room temperature conductivity from (6.12±0.15) × 10−8 S cm−1 (PNN0, salt-free) to (6.50±0.03) × 10−6 S cm−1 (PNN15, 15 wt. NaNO3), influenced by increasing n compared to µ. Temperature-dependent conductivity revealed a significant influence of both n and μ on electrolyte conductivity, and the ion dynamics were explored using various formalisms. XRD studies showed reduced crystallinity owing to the interaction of Na+ and NO3− with -OH groups, as confirmed by IR spectroscopy. Scanning electron microscopy confirmed salt deposits at higher concentrations. However, sufficient mechanical strength was observed for the optimally conducting sample. Obtained results showed the potential applications of the sample in electrochemical devices.
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Additional Metadata
Item Type: | Article |
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Divisions: | Faculty of Science |
DOI Number: | https://doi.org/10.1016/j.materresbull.2023.112498 |
Publisher: | Elsevier Ltd |
Keywords: | A. amorphous materials; C. X-ray diffraction; C. impedance spectroscopy; D. dielectric properties; D. ionic conductivity; Carrier mobility; Crystallinity; Ionic conductivity; Metal ions; Polyelectrolytes; Scanning electron microscopy; Effect of dopants; Electrochemical devices |
Depositing User: | Mr. Mohamad Syahrul Nizam Md Ishak |
Date Deposited: | 08 May 2024 14:20 |
Last Modified: | 08 May 2024 14:21 |
Altmetrics: | http://www.altmetric.com/details.php?domain=psasir.upm.edu.my&doi=10.1016/j.materresbull.2023.112498 |
URI: | http://psasir.upm.edu.my/id/eprint/105832 |
Statistic Details: | View Download Statistic |
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