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Article

Study of Partially Transient Organic Epidermal Sensors

1
College of Mechanical Engineering, Center on Nanoenergy Research, Guangxi University, Nanning 530004, China
2
Department of Mechanical Engineering, University of Hartford, West Hartford, CT 06117, USA
3
Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
*
Authors to whom correspondence should be addressed.
Materials 2020, 13(5), 1112; https://doi.org/10.3390/ma13051112
Received: 31 January 2020 / Revised: 24 February 2020 / Accepted: 26 February 2020 / Published: 2 March 2020
(This article belongs to the Special Issue Recent Advances in Soft Electronics and Ionics)
In this study, an all-organic, partially transient epidermal sensor with functional poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) conjugated polymer printed onto a water-soluble polyethylene oxide (PEO) substrate is studied and presented. The sensor’s electronic properties were studied under static stress, dynamic load, and transient status. Electrode resistance remained approximately unchanged for up to 2% strain, and increased gradually within 6.5% strain under static stress. The electronic properties’ dependence on dynamic load showed a fast response time in the range of 0.05–3 Hz, and a reversible stretching threshold of 3% strain. A transiency study showed that the PEO substrate dissolved completely in water, while the PEDOT:PSS conjugated polymer electrode remained intact. The substrate-less, intrinsically soft PEDOT:PSS electrode formed perfect contact on human skin and stayed attached by Van der Waals force, and was demonstrated as a tattoolike epidermal sensor. View Full-Text
Keywords: soft electronics; organic electronics; transient electronics; epidermal electronics; tattoo sensor; printable electronics soft electronics; organic electronics; transient electronics; epidermal electronics; tattoo sensor; printable electronics
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MDPI and ACS Style

Chen, Y.; Jamshidi, R.; Montazami, R. Study of Partially Transient Organic Epidermal Sensors. Materials 2020, 13, 1112. https://doi.org/10.3390/ma13051112

AMA Style

Chen Y, Jamshidi R, Montazami R. Study of Partially Transient Organic Epidermal Sensors. Materials. 2020; 13(5):1112. https://doi.org/10.3390/ma13051112

Chicago/Turabian Style

Chen, Yuanfen, Reihaneh Jamshidi, and Reza Montazami. 2020. "Study of Partially Transient Organic Epidermal Sensors" Materials 13, no. 5: 1112. https://doi.org/10.3390/ma13051112

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