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Fully Screen-Printed Stretchable Organic Electrochemical Transistors
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware. Linköping University, Sweden.ORCID iD: 0000-0001-9605-9151
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0002-7989-6027
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0001-6889-0351
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0002-4575-0193
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2023 (English)In: Advanced Materials Technologies, E-ISSN 2365-709X, no 16, article id 2300247Article in journal (Refereed) Published
Abstract [en]

Stretchable organic electrochemical transistors (OECTs) are promising for wearable applications within biosensing, bio-signal recording, and addressing circuitry. Efficient large-scale fabrication of OECTs can be performed with printing methods but to date there are no reports on high-performance fully printed stretchable OECTs. Herein, this challenge is addressed by developing fully screen-printed stretchable OECTs based on an architecture that minimizes electrochemical side reactions and improves long-term stability. Fabrication of the OECTs is enabled by in-house development of three stretchable functional screen-printing inks and related printing processes. The stretchable OECTs show good characteristics in terms of transfer curves, output characteristics, and transient response up to 100% static strain and 500 strain cycles at 25% and 50% strain. The strain insensitivity of the OECTs can be further improved by strain conditioning, resulting in stable performance up to 50% strain. Finally, an electrochromic smart pixel is demonstrated by connecting a stretchable OECT to a stretchable electrochromic display. It is believed that the development of screen-printed stretchable electrochemical devices, and OECTs in particular, will pave the way for their use in wearable applications and commercial products. © 2023 The Authors. 

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2023. no 16, article id 2300247
Keywords [en]
organic electrochemical transistors, PEDOT:PSS, screen printing, soft electronics, stretchable electronics, stretchable transistors, Conducting polymers, Electrochromism, Flexible electronics, Transient analysis, Transistors, Wearable technology, Biosensing, Biosignals, PEDOT/PSS, Screen-printed, Signal recording, Stretchable transistor, Wearable applications
National Category
Textile, Rubber and Polymeric Materials
Identifiers
URN: urn:nbn:se:ri:diva-64334DOI: 10.1002/admt.202300247Scopus ID: 2-s2.0-85151918312OAI: oai:DiVA.org:ri-64334DiVA, id: diva2:1752312
Note

Export Date: 17 April 2023; Article; Correspondence Address: Andersson Ersman, P.; RISE Research Institutes of Sweden, Södra Grytsgatan 4, Sweden; email: peter.andersson.ersman@ri.se; Correspondence Address: Tybrandt, K.; RISE Research Institutes of Sweden, Södra Grytsgatan 4, Sweden; email: klas.tybrandt@liu.se; Funding details: Stiftelsen för Strategisk Forskning, SSF; Funding details: Linköpings Universitet, LiU, 2009‐00971; Funding text 1: The authors thank Marie Nilsson at RISE Norrköping for assistance with printing and Covestro for generously providing Platilon TPU substrates and Baymedix PU solution. This project was financially supported by the Swedish Foundation for Strategic Research and the Swedish Government Strategic Research Area in Materials Science on Advanced Functional Materials at Linköping University (Faculty Grant SFO‐Mat‐LiU No. 2009‐00971).

Available from: 2023-04-21 Created: 2023-04-21 Last updated: 2024-06-07Bibliographically approved

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Boda, UlrikaPetsagkourakis, IoannisBeni, ValerioAndersson Ersman, Peter
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