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Article

Fabrication of All-Solid Organic Electrochromic Devices on Absorptive Paper Substrates Utilizing a Simplified Lateral Architecture

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College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021, China
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National Demonstration Center for Experimental Light Chemistry Engineering Education, Key Laboratory of Paper-based Functional Materials of China National Light Industry, Shaanxi Provincial Key Laboratory of Papermaking Technology and Specialty Paper Development, Shaanxi University of Science and Technology, Xi’an 710021, China
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Department of Natural Sciences/Physics, Åbo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland
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Laboratory of Natural Materials Technology, Center for Functional Materials (FunMat), Åbo Akademi University, Porthaninkatu 3, FI-20500 Turku, Finland
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Authors to whom correspondence should be addressed.
Materials 2020, 13(21), 4839; https://doi.org/10.3390/ma13214839
Received: 12 October 2020 / Revised: 25 October 2020 / Accepted: 27 October 2020 / Published: 29 October 2020
Poly(3,4-ethylenedioxythiophene) doped with the polymer anion poly(styrenesulfonate), PEDOT:PSS, is a common electrochromic material used in the preparation of electrochromic devices (ECDs). In this paper, the PEDOT:PSS doped with a solvent was used both as the electrode and the electrochromic functional layer for fabrication of ECDs on absorptive paper surfaces. The doped PEDOT:PSS dispersion was assessed for the film-forming evenness, sheet resistance and conductivity, and the performance of prepared ECDs for their color contrast and switching dynamics. The ECD performance is discussed in relation to the absorptive characteristics of the substrates. The results indicate that it is feasible to prepare ECDs onto absorptive substrates, despite the partial polymer material imbibition into them. The extent of polymer absorption influences the ECD performance: an increased absorption reduces the color contrast but speeds up the color switching. The electrochemical properties of the used solid electrolyte were found to be crucial for functioning of the ECDs. Insufficient ion transport and associated high resistance led to failure of the devices. View Full-Text
Keywords: paper electronics; electrochromic devices; PEDOT:PSS; substrate absorptivity; solid electrolyte paper electronics; electrochromic devices; PEDOT:PSS; substrate absorptivity; solid electrolyte
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MDPI and ACS Style

Liu, G.; Liu, Y.; Zhang, M.; Pettersson, F.; Toivakka, M. Fabrication of All-Solid Organic Electrochromic Devices on Absorptive Paper Substrates Utilizing a Simplified Lateral Architecture. Materials 2020, 13, 4839. https://doi.org/10.3390/ma13214839

AMA Style

Liu G, Liu Y, Zhang M, Pettersson F, Toivakka M. Fabrication of All-Solid Organic Electrochromic Devices on Absorptive Paper Substrates Utilizing a Simplified Lateral Architecture. Materials. 2020; 13(21):4839. https://doi.org/10.3390/ma13214839

Chicago/Turabian Style

Liu, Guodong, Yu Liu, Meiyun Zhang, Fredrik Pettersson, and Martti Toivakka. 2020. "Fabrication of All-Solid Organic Electrochromic Devices on Absorptive Paper Substrates Utilizing a Simplified Lateral Architecture" Materials 13, no. 21: 4839. https://doi.org/10.3390/ma13214839

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