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| Naji, M. |
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| Motta, Antonella |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Petrov, R. H. | Madrid |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ali, M. A. |
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| Rančić, M. |
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| Azevedo, Nuno Monteiro |
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Afzal, Amir
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Publications (2/2 displayed)
- 2024High-performance and stable CoSrS@rGO nanocomposite based electrode material for supercapattery device and electrochemical glucose sensorcitations
- 2023Improvement in Structural and Electrochemical Properties of VZnS@ZnO for Asymmetric Supercapacitors and Electrochemical Sensors for Glucose Detectioncitations
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article
High-performance and stable CoSrS@rGO nanocomposite based electrode material for supercapattery device and electrochemical glucose sensor
Abstract
<jats:title>Abstract</jats:title><jats:p>Two-dimensional (2D) materials possess excellent electrical conductivity, notable pore size, and exceptional stability. In this research, the cobalt strontium sulfide (CoSrS) nanocomposite is synthesized using the hydrothermal process. The CoSrS@rGO nanocomposite electrode material showed much greater specific capacity of 1050 C g<jats:sup>−1</jats:sup> compared to the undoped sample (300 C g<jats:sup>−1</jats:sup>), as determined by a three-electrode measuring setup. Moreover, the results obtained from the electrochemical impedance spectroscopy (EIS) and Brunauer–Emmett–Teller (BET) analyses indicated a noticeable enhancement in both surface area and conductivity. Further, the hybrid device (CoSrS@rGO//AC@PANI) showed power and energy densities of 39.5 Wh kg<jats:sup>−1</jats:sup> and 3793 W kg<jats:sup>−1</jats:sup>, respectively. The hybrid device exhibited a retention rate of 70% of its initial capacity over 2000 cycles. Besides, the CoSrS@rGO nanocomposite electrode material was effectively used as an electrode for the electrochemical glucose sensor. The device showed high sensitivity and stability against the glucose. The CoSrS@rGO nanocomposite electrode exhibited a sensitivity with an R<jats:sup>2</jats:sup> value of 0.99. This study offers valuable insights into the influence of temperature and conducting polymers on the performance of CoSrS@rGO nanocomposite electrode materials for multiple applications.</jats:p>