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Reconfigurable sticker label electronics manufactured from nanofibrillated cellulose-based self-adhesive organic electronic materials
RISE, Swedish ICT, Acreo. Linköping University, Sweden; Lintec Corporation, Japan.
RISE, Swedish ICT, Acreo.
RISE, Swedish ICT, Acreo.
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2013 (English)In: Organic electronics, ISSN 1566-1199, E-ISSN 1878-5530, Vol. 14, no 11, p. 3061-3069Article in journal (Refereed) Published
Abstract [en]

Low voltage operated electrochemical devices can be produced from electrically conducting polymers and polyelectrolytes. Here, we report how such polymers and polyelectrolytes can be cast together with nanofibrillated cellulose (NFC) derived from wood. The resulting films, which carry ionic or electronic functionalities, are all-organic, disposable, light-weight, flexible, self-adhesive, elastic and self-supporting. The mechanical and self-adhesive properties of the films enable simple and flexible electronic systems by assembling the films into various kinds of components using a "cut and stick" method. Additionally, the self-adhesive surfaces provide a new concept that not only allows for simplified system integration of printed electronic components, but also allows for a unique possibility to detach and reconfigure one or several subcomponents by a "peel and stick" method to create yet another device configuration. This is demonstrated by a stack of two films that first served as the electrolyte layer and the pixel electrode of an electrochromic display, which then was detached from each other and transferred to another configuration, thus becoming the electrolyte and gate electrode of an electrochemical transistor. Further, smart pixels, consisting of the combination of one electrochromic pixel and one electrochemical transistor, have successfully been manufactured with the NFC-hybridized materials. The concept of system reconfiguration was further explored by that a pixel electrode charged to its colored state could be detached and then integrated on top of a transistor channel. This resulted in spontaneous discharging and associated current modulation of the transistor channel without applying any additional gate voltage. Our peel and stick approach promises for novel reconfigurable electronic devices, e.g. in sensor, label and security applications.

Place, publisher, year, edition, pages
2013. Vol. 14, no 11, p. 3061-3069
Keywords [en]
Cellulose nanofiber, Electrochemical transistor, Electrochromic display, Electronic system integration, Self-adhesive, Self-supporting
National Category
Nano Technology Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:ri:diva-9774DOI: 10.1016/j.orgel.2013.07.013Scopus ID: 2-s2.0-84885956056OAI: oai:DiVA.org:ri-9774DiVA, id: diva2:968556
Available from: 2016-09-12 Created: 2016-09-12 Last updated: 2023-06-05Bibliographically approved

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