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Inkjet-Printed Polymer-based Electrochromic and Electrofluorochromic Dual-mode Displays

Abstract

We report on inkjet-printed dual-mode devices based on the the synchronous electrochromic and electrofluorochromic effect of the polyindenofluoren-8-tryarylamine polymer (PIF8-TAA). Reference devices show switching times under 4 s, a coloration efficency of 542 ± 10 cm²·C-1 at 395 nm, an electrochromic contrast of 50 ± 4% in the visible spectra and a fluorescence contrast ratio of 4.1 ± 0.3. The material is highly transparent in its neutral state and changes to a deep red color by oxidation. Utilizing PEDOT:PSS as electrode material, inkjet printing enabled the fabrication of freely, digitally designed device layouts providing a cost-efficient method for low-level display applications. The results highlight the applicability of digitally printed dual-mode EFCD for signage or advertisement.

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Publication details

The article was received on 11 Mar 2019, accepted on 14 May 2019 and first published on 17 May 2019


Article type: Paper
DOI: 10.1039/C9TC01344J
J. Mater. Chem. C, 2019, Accepted Manuscript
  • Open access: Creative Commons BY license
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    Inkjet-Printed Polymer-based Electrochromic and Electrofluorochromic Dual-mode Displays

    M. Pietsch, T. Rödlmeier, S. Schlisske, J. Zimmermann, C. Romero-Nieto and G. Hernandez-Sosa, J. Mater. Chem. C, 2019, Accepted Manuscript , DOI: 10.1039/C9TC01344J

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