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Greyscale and Paper Electrochromic Polymer Displays by UV Patterning
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Acreo, Sweden.ORCID iD: 0000-0001-8485-6209
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering. Acreo, Sweden.ORCID iD: 0000-0002-2904-7238
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-8845-6296
Linköping University, Department of Science and Technology, Laboratory of Organic Electronics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0001-5154-0291
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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
MDPI, 2019. Vol. 11, no 2, article id 267
Keywords [en]
conductive polymers; PEDOT; patterning; electrochromic; electrochromic displays; paper displays; digital cellulose; cellulose; paper electronics; electrochromism; vapor phase polymerization
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-155591DOI: 10.3390/polym11020267ISI: 000460296000081Scopus ID: 2-s2.0-85061197759OAI: oai:DiVA.org:liu-155591DiVA, id: diva2:1297819
Note

Funding Agencies|Knut and Alice Wallenberg Foundation; Swedish Foundation for Strategic Research; Wenner-Gren Foundations; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [2009 00971]; Vinnova

Available from: 2019-03-21 Created: 2019-03-21 Last updated: 2019-10-10Bibliographically approved

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Brooke, RobertBerggren, MagnusEngquist, IsakJonsson, Magnus

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