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

Document Type

Article

Publication Date

6-1-2023

Abstract

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.

Keywords

flexible temperature sensor, metal oxide, PEDOT, PSS, nanocomposite

Publication Title

FLEXIBLE AND PRINTED ELECTRONICS

Divisions

sch_ecs,photonics

Funders

Ministry of Education, Malaysia FRGS/1/2019/TK05/UM/02/4,SATU Joint Research Scheme Program ST060-2022

Volume

8

Issue

2

Publisher

IOP Publishing Ltd

Publisher Location

TEMPLE CIRCUS, TEMPLE WAY, BRISTOL BS1 6BE, ENGLAND

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