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Reconfigurable sticker label electronics manufactured from nanofibrillated cellulose-based self-adhesive organic electronic materials
RISE, Swedish ICT, Acreo.
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 polyelectrolytes. Here, we report how such polymers 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 self-supporting. The mechanical self-adhesive properties of the films enable simple flexible electronic systems by assembling the films into various kinds of components using a €œcut 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 reconfigure one or several subcomponents by a €œpeel stick€ method to create yet another device configuration. This is demonstrated by a stack of two films that first served as the electrolyte layer the pixel electrode of an electrochromic display, which then was detached from each other transferred to another configuration, thus becoming the electrolyte gate electrode of an electrochemical transistor. Further, smart pixels, consisting of the combination of one electrochromic pixel 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 then integrated on top of a transistor channel. This resulted in spontaneous discharging associated current modulation of the transistor channel without applying any additional gate voltage. Our peel stick approach promises for novel reconfigurable electronic devices, e.g. in sensor, label security applications._x000D_

Place, publisher, year, edition, pages
2013. Vol. 14, no 11, p. 3061-3069
Keyword [en]
Cellulose nanofiber, Electrochromic display, Electrochemical transistor, Self-supporting, Self-adhesive, Electronic system integration
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-31968DOI: 10.1016/j.orgel.2013.07.013OAI: oai:DiVA.org:ri-31968DiVA: diva2:1151826
Available from: 2017-10-24 Created: 2017-10-24 Last updated: 2018-01-13Bibliographically approved

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