Hydrothermal synthesis of zinc oxide/PEDOT:PSS composite for flexible temperature sensor application

Aidit, Siti Nabila and Rezali, Fazliyatul Azwa Md and Nor, Nurul Hidayah Mohamad and Yusoff, Norazriena and Ma, Li-Ya and Hatta, Sharifah Fatmadiana Wan Muhamad and Soin, Norhayati (2023) Hydrothermal synthesis of zinc oxide/PEDOT:PSS composite for flexible temperature sensor application. FLEXIBLE AND PRINTED ELECTRONICS, 8 (2). ISSN 2058-8585, DOI https://doi.org/10.1088/2058-8585/acd06e.

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A flexible and printable temperature sensor was proposed for a fast detection of temperature measurements. A hybrid composite of zinc oxide (ZnO) and a conductive polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonicacid) (PEDOT:PSS) was utilized as the temperature-sensing layer. An interdigitated electrodes structure based on silver (Ag) ink was used to electrically connect the composite through a facile drop-casting technique. A standout aspect of this work is the presentation of ZnO/PEDOT:PSS as a temperature-sensing layer. The PEDOT:PSS flakes were connected by hydrothermally prepared ZnO nanorods, which increased the composite sheets' electrical conductivity. The linearity, sensitivity, stability and dynamic response of the flexible sensor were examined from a temperature of 29 degrees C-60 degrees C. The sensor has high sensitivity of 1.06% degrees C-1 with response and recovery times of 5 s and 12.7 s, respectively. This work clearly demonstrates the potential of ZnO/PEDOT:PSS composite for flexible temperature sensor and adds to the rapidly expanding field of personalized mobile healthcare.

Item Type: Article
Funders: Ministry of Education, Malaysia FRGS/1/2019/TK05/UM/02/4, SATU Joint Research Scheme Program ST060-2022
Uncontrolled Keywords: flexible temperature sensor; metal oxide; PEDOT; PSS; nanocomposite
Subjects: Q Science > QC Physics
Divisions: Faculty of Engineering > Department of Electrical Engineering
Deputy Vice Chancellor (Research & Innovation) Office > Photonics Research Centre
Depositing User: Ms Zaharah Ramly
Date Deposited: 13 May 2024 04:23
Last Modified: 13 May 2024 04:23
URI: http://eprints.um.edu.my/id/eprint/38243

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