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Greyscale and paper electrochromic polymer displays by UV patterning
RISE - Research Institutes of Sweden, ICT, Acreo. Linkoping University, Sweden.
RISE - Research Institutes of Sweden, ICT, Acreo. Linkoping University, Sweden.
Linkoping University, Sweden.
Linköping University, Sweden.
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2019 (English)In: Polymers, ISSN 2073-4360, E-ISSN 2073-4360, Vol. 11, no 2, article id 267Article in journal (Refereed) Published
Abstract [en]

Electrochromic devices have important implications as smart windows for energy efficient buildings, internet of things devices, and in low-cost advertising applications. While inorganics have so far dominated the market, organic conductive polymers possess certain advantages such as high throughput and low temperature processing, faster switching, and superior optical memory. Here, we present organic electrochromic devices that can switch between two high-resolution images, based on UV-patterning and vapor phase polymerization of poly(3,4- ethylenedioxythiophene) films. We demonstrate that this technique can provide switchable greyscale images through the spatial control of a UV-light dose. The color space was able to be further altered via optimization of the oxidant concentration. Finally, we utilized a UV-patterning technique to produce functional paper with electrochromic patterns deposited on porous paper, allowing for environmentally friendly electrochromic displays.

Place, publisher, year, edition, pages
2019. Vol. 11, no 2, article id 267
Keywords [en]
Cellulose, Conductive polymers, Digital cellulose, Electrochromic, Electrochromic displays, Electrochromism, Paper displays, Paper electronics, Patterning, PEDOT, Vapor phase polymerization, Electrochromic devices, Energy efficiency, Intelligent buildings, Paper, Polymerization, Temperature, Conductive Polymer, Electrochromics
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-37894DOI: 10.3390/polym11020267Scopus ID: 2-s2.0-85061197759OAI: oai:DiVA.org:ri-37894DiVA, id: diva2:1293920
Note

Funding details: Stiftelsen för Strategisk Forskning, SSF; Funding details: SFO-Mat-LiU No 2009 00971; Funding details: Knut och Alice Wallenbergs Stiftelse; Funding text 1: Funding: The authors acknowledge funding by the Knut and Alice Wallenberg Foundation, the Swedish Foundation for Strategic Research, the Wenner-Gren Foundations, Vinnova, and the Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linköping University (Faculty Grant SFO-Mat-LiU No 2009 00971).; Funding text 2: Acknowledgements: This research has been supported by Treesearch.se

Available from: 2019-03-05 Created: 2019-03-05 Last updated: 2019-03-05Bibliographically approved

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