Poly-3,4-ethylenedioxythiophene/Polystyrene Sulfonate/Dimethyl Sulfoxide-Based Conductive Fabrics for Wearable Electronics: Elucidating the Electrical Conductivity and Durability Properties through Controlled Doping and Washing Tests

Aizamddin, Muhammad Faiz and Roslan, Nazreen Che and Ayub, Ayu Natasha and Sabere, Awis Sukarni Mohmad and Sofian, Zarif Mohamed and Chang, Yee Hui Robin and Ghazali, Mohd Ifwat Mohd and Sadasivuni, Kishor Kumar and Kasri, Mohamad Arif and Fakir, Muhamad Saipul and Mahat, Mohd Muzamir (2024) Poly-3,4-ethylenedioxythiophene/Polystyrene Sulfonate/Dimethyl Sulfoxide-Based Conductive Fabrics for Wearable Electronics: Elucidating the Electrical Conductivity and Durability Properties through Controlled Doping and Washing Tests. Journal of Polymer Materials, 41 (4). pp. 239-261. ISSN 0973-8622, DOI https://doi.org/10.32604/jpm.2024.057420.

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Official URL: https://doi.org/10.32604/jpm.2024.057420

Abstract

Poly-3,4-ethylenedioxythiophene: polystyrene sulfonate (PEDOT/PSS) has revolutionized the field of smart textiles as an advanced conductive polymer, offering an unprecedented combination of high electrical conductivity, solution processability, and mechanical conformability.Despite extensive research in PEDOT/PSS-coated fabrics over the past decade, a critical challenge remains in finding the delicate balance between enhanced conductivity and washing durability required for real-world wearable applications. Hence, this study investigates the electrical conductivity and durability properties of PEDOT/PSS-based conductive fabrics for wearable electronics. By carefully controlling the doping concentration of dimethyl sulfoxide (DMSO), an optimal conductivity of 8.44 +/- 0.21 x 10-3 S cm-1 was achieved at 5% DMSO. Durability was assessed through simulated washing tests of up to 30 cycles following standardized protocols. Although the fabric's conductivity decreased from 10-3 to 10-4 S cm-1 after the 5th wash, it stabilized at approximately similar to 5.67 +/- 0.05 x 10-4 S cm-1 beyond the 30th cycle. These findings demonstrate the fabric's ability to retain its electrical properties under repeated washing, making it highly suitable for long-term use in wearable electronics. A range of characterization techniques-including attenuated total reflectance-Fourier transform infrared spectroscopy, Raman analysis, scanning electron microscopy-energy dispersive X-ray, X-ray diffraction, electrochemical impedance spectroscopy, and tensile testing-were employed to analyze the fabric's functional groups, morphology, crystallinity, conductivity, and mechanical properties. The results validate the robustness and applicability of PEDOT/PSS/DMSO fabrics for reliable performance in wearable electronic applications.

Item Type: Article
Funders: Universiti Teknologi MARA (UiTM) , Malaysia (600-RMC/GPK 5/3 (177/2020))
Uncontrolled Keywords: Conductive fabric; electrical conductivity; durability; PEDOT/PSS; wearable electronic
Subjects: R Medicine > RM Therapeutics. Pharmacology
R Medicine > RS Pharmacy and materia medica
Divisions: Faculty of Pharmacy > Department of Pharmaceutical Technology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 20 Jan 2025 04:05
Last Modified: 20 Jan 2025 04:05
URI: http://eprints.um.edu.my/id/eprint/47622

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