Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals

Organic semiconductor (OSC) single crystals feature flexibility, solution processability, and high-mobility coherent carrier transport, which are advantageous for printed flexible electronic applications. A mechanical strain sensor is a target device whose high sensitivity and wide measurement range...

Full description

Saved in:
Bibliographic Details
Main Authors: Yoshihisa Usami, Yu Yamashita, Tomohiro Murata, Takafumi Matsumoto, Masataka Ito, Shun Watanabe, Jun Takeya
Format: Article
Language:English
Published: Taylor & Francis Group 2025-12-01
Series:Science and Technology of Advanced Materials
Subjects:
Online Access:https://www.tandfonline.com/doi/10.1080/14686996.2025.2451020
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1832544389470093312
author Yoshihisa Usami
Yu Yamashita
Tomohiro Murata
Takafumi Matsumoto
Masataka Ito
Shun Watanabe
Jun Takeya
author_facet Yoshihisa Usami
Yu Yamashita
Tomohiro Murata
Takafumi Matsumoto
Masataka Ito
Shun Watanabe
Jun Takeya
author_sort Yoshihisa Usami
collection DOAJ
description Organic semiconductor (OSC) single crystals feature flexibility, solution processability, and high-mobility coherent carrier transport, which are advantageous for printed flexible electronic applications. A mechanical strain sensor is a target device whose high sensitivity and wide measurement range have been demonstrated when OSC single crystals were employed as the active channel. However, there have been limited reports on scalable fabrication of devices and reliable measurements, which limits the use of strain sensors in a wide range of applications. In this study, we present a comprehensive approach to address these issues through advanced device processing, design, and measurements. Our resistive strain sensors showed a small drift owing to the stable and effective p-type chemical doping of the OSC single crystals. A Wheatstone bridge circuit and compact lock-in amplifier were designed to accurately measure resistance changes at low noise levels. The experimental results demonstrated a substantial reduction in noise and achieved high-precision measurements with precision of ± 1.8 ppm. These results demonstrate the scalable fabrication of organic semiconductor strain sensors with high precision and reliability, which opens up the possibility of employing them in various industrial sectors.
format Article
id doaj-art-22b668da4ebe43a0a03889a86bbd5556
institution Kabale University
issn 1468-6996
1878-5514
language English
publishDate 2025-12-01
publisher Taylor & Francis Group
record_format Article
series Science and Technology of Advanced Materials
spelling doaj-art-22b668da4ebe43a0a03889a86bbd55562025-02-03T10:22:07ZengTaylor & Francis GroupScience and Technology of Advanced Materials1468-69961878-55142025-12-0126110.1080/14686996.2025.2451020Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystalsYoshihisa Usami0Yu Yamashita1Tomohiro Murata2Takafumi Matsumoto3Masataka Ito4Shun Watanabe5Jun Takeya6Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, JapanDepartment of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, JapanDepartment of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, JapanPi-Crystal Inc, Kashiwa, Chiba, JapanPi-Crystal Inc, Kashiwa, Chiba, JapanDepartment of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, JapanDepartment of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, JapanOrganic semiconductor (OSC) single crystals feature flexibility, solution processability, and high-mobility coherent carrier transport, which are advantageous for printed flexible electronic applications. A mechanical strain sensor is a target device whose high sensitivity and wide measurement range have been demonstrated when OSC single crystals were employed as the active channel. However, there have been limited reports on scalable fabrication of devices and reliable measurements, which limits the use of strain sensors in a wide range of applications. In this study, we present a comprehensive approach to address these issues through advanced device processing, design, and measurements. Our resistive strain sensors showed a small drift owing to the stable and effective p-type chemical doping of the OSC single crystals. A Wheatstone bridge circuit and compact lock-in amplifier were designed to accurately measure resistance changes at low noise levels. The experimental results demonstrated a substantial reduction in noise and achieved high-precision measurements with precision of ± 1.8 ppm. These results demonstrate the scalable fabrication of organic semiconductor strain sensors with high precision and reliability, which opens up the possibility of employing them in various industrial sectors.https://www.tandfonline.com/doi/10.1080/14686996.2025.2451020Organic semiconductorstrain sensorchemical doping
spellingShingle Yoshihisa Usami
Yu Yamashita
Tomohiro Murata
Takafumi Matsumoto
Masataka Ito
Shun Watanabe
Jun Takeya
Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
Science and Technology of Advanced Materials
Organic semiconductor
strain sensor
chemical doping
title Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
title_full Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
title_fullStr Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
title_full_unstemmed Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
title_short Scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
title_sort scalable fabrication of precise flexible strain sensors using organic semiconductor single crystals
topic Organic semiconductor
strain sensor
chemical doping
url https://www.tandfonline.com/doi/10.1080/14686996.2025.2451020
work_keys_str_mv AT yoshihisausami scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals
AT yuyamashita scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals
AT tomohiromurata scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals
AT takafumimatsumoto scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals
AT masatakaito scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals
AT shunwatanabe scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals
AT juntakeya scalablefabricationofpreciseflexiblestrainsensorsusingorganicsemiconductorsinglecrystals