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All-Printed Multilayers and Blends of Poly(dioxythiophene) Derivatives Patterned into Flexible Electrochromic Displays
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0001-8485-6209
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0002-7989-6027
RISE Research Institutes of Sweden, Digital Systems, Smart Hardware.ORCID iD: 0000-0002-7825-9501
Chalmers University of Technology, Sweden.
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2023 (English)In: Macromolecular materials and engineering, ISSN 1438-7492, E-ISSN 1439-2054, Vol. 308, no 2, article id 2200453Article in journal (Refereed) Published
Abstract [en]

Low-cost, flexible and thin display technology is becoming an interesting field of research as it can accompany the wide range of sensors being developed. Here, the synthesis of poly(dimethylpropylene-dioxythiophene) (PProDOT-Me2) by combining vapor phase polymerization and screen printing is presented. A multilayer architecture using poly(3,4-ethylenedioxythiophene) (PEDOT) and PProDOT-Me2 to allow for electrochromic switching of PProDOT-Me2, thereby eliminating the need for a supporting transparent conductive (metal oxide) layer is introduced. Furthermore, the technology is adapted to a blended architecture, which removes the additional processing steps and results in improved color contrast (∆E* > 25). This blend architecture is extended to other conductive polymers, such as PEDOT and polypyrrole (PPy), to highlight the ability of the technique to adjust the color of all-printed electrochromic displays. As a result, a green color is obtained when combining the blue and yellow states of PEDOT and PPy, respectively. This technology has the potential to pave the way for all-printed multicolored electrochromic displays for further utilization in printed electronic systems in various Internet of Things applications. © 2022 The Authors. 

Place, publisher, year, edition, pages
John Wiley and Sons Inc , 2023. Vol. 308, no 2, article id 2200453
Keywords [en]
electrochromic displays, PEDOT, PProDOT-Me2, screen printing, vapor phase polymerization, Color, Colorimetry, Electrochromic devices, Electrochromism, Flexible displays, Metals, Multilayers, Polymerization, Polypyrroles, All-printed, Display technologies, Electrochromic switching, Ethylenedioxythiophenes, Low-costs, Multi-layer architectures, Poly(3, 4-ethylenedioxythiophene), Architecture
National Category
Materials Chemistry
Identifiers
URN: urn:nbn:se:ri:diva-61229DOI: 10.1002/mame.202200453Scopus ID: 2-s2.0-85141354656OAI: oai:DiVA.org:ri-61229DiVA, id: diva2:1715522
Note

Funding details: Stiftelsen för Strategisk Forskning, SSF; Funding text 1: This project was financially supported by the Swedish Foundation for Strategic Research.

Available from: 2022-12-02 Created: 2022-12-02 Last updated: 2024-01-17Bibliographically approved

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Brooke, RobertPetsagkourakis, IoannisMajee, SubimalAndersson Ersman, Peter

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