Inkjet-Printed CNT/PEDOT:PSS Temperature Sensor on a Textile Substrate for Wearable Intelligent Systems

Burcu Arman Kuzubasoglu*, Ersin Sayar, Senem Kursun Bahadir*

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62 Atıf (Scopus)

Özet

The presented work focused on the development of temperature sensors based on specially formulated carbon nanotube (CNT) and poly(3,4-ethylene dioxythiophene): poly(styrenesulfonate) (PEDOT:PSS) based inks which are deposited directly onto the adhesive polyamide-based taffeta fabric with low-cost office-type inkjet printer. Stable and uniform dispersions of CNT and PEDOT:PSS with Triton X-100 were formulated to be used as temperature sensitive inkjet inks. Three kinds of temperature sensors were fabricated using sensitive materials including CNT ink, PEDOT:PSS ink, and CNT/PEDOT:PSS composite ink. Developed sensors are connected to the measuring devices via silver yarns and silver adhesive paste. Sensors are covered with translucent polyurethane welding tape for packaging and protection. All the sensors exhibit negative temperature coefficient (NTC) behavior and sensitivity of 0.15 %°C for CNT, 0.41 %°C for PEDOT:PSS, and 0.31 %°C for CNT/PEDOT:PSS for temperatures varying from room temperature to 50 °C. CNT/PEDOT:PSS composite ink printed sensor achieved better sensing repeatability and demonstrated higher bending stability with a resistance change of 0.3 % up to 1000 cycles than CNT printed and PEDOT:PSS printed sensors. The softness, lightness, and capability to work on flexible or curved surfaces make the developed CNT/PEDOT:PSS composite ink printed sensor a robust candidate for wearable temperature sensor applications, especially in situations requiring continuous body temperature monitoring while satisfying comfort of the user.

Orijinal dilİngilizce
Makale numarası9391707
Sayfa (başlangıç-bitiş)13090-13097
Sayfa sayısı8
DergiIEEE Sensors Journal
Hacim21
Basın numarası12
DOI'lar
Yayın durumuYayınlandı - 15 Haz 2021

Bibliyografik not

Publisher Copyright:
© 2001-2012 IEEE.

Finansman

Manuscript received March 4, 2021; accepted March 24, 2021. Date of publication March 31, 2021; date of current version June 14, 2021. This work was supported by the Scientific And Technological Research Council of Turkey (TUBITAK) under Project 218M746. The associate editor coordinating the review of this article and approving it for publication was Dr. Cheng-Sheng Huang. (Corresponding authors: Burcu Arman Kuzubasoglu; Senem Kursun Bahadir.) Burcu Arman Kuzubasoglu is with the Department of Textile Engineering, Istanbul Technical University, 34437 Istanbul, Turkey (e-mail: [email protected]).

FinansörlerFinansör numarası
TUBITAK218M746
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu

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