Electrochromic Metallo–Organic Nanoscale Films: A Molecular Mix and Match Approach to Thermally Robust and Multistate Solid-State Devices

Naveen Malik; Michal Lahav; Milko E. van der Boom

doi:10.1002/aelm.202000407

Electrochromic Metallo–Organic Nanoscale Films: A Molecular Mix and Match Approach to Thermally Robust and Multistate Solid-State Devices

Naveen Malik, Michal Lahav, Milko E. van der Boom

Weizmann Institute of Science, Israel

Research output: Contribution to journal › Article › peer-review

Abstract

In this work, the performance of surface-confined molecular assemblies, combined with a solid-state electrolyte, as multicolor displays is reported. An ultraviolet (UV) crosslinked polymer is used as a matrix for the electrolyte. No dedicated ion storage layer is required to operate the laminated devices; up to 4500 redox cycles are demonstrated at a low voltage. The intense coloration and switching properties (t = 0.4–2.8 s) are retained even after thermally treating these devices at 100 °C for 24 h in air. The versatility of this approach is demonstrated by the use of spray-coated bimolecular assemblies for multicolor display fabrication. The molecular assemblies have coloration efficiencies as high as 338 cm² C⁻¹.

Original language	English
Article number	2000407
Journal	Advanced Electronic Materials
Volume	6
Issue number	10
DOIs	https://doi.org/10.1002/aelm.202000407
Publication status	Published - Oct 1 2020

Keywords

electrochromism
metallo–organics
multicolor displays
solid-state devices
spray-coating

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials

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10.1002/aelm.202000407

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title = "Electrochromic Metallo–Organic Nanoscale Films: A Molecular Mix and Match Approach to Thermally Robust and Multistate Solid-State Devices",

abstract = "In this work, the performance of surface-confined molecular assemblies, combined with a solid-state electrolyte, as multicolor displays is reported. An ultraviolet (UV) crosslinked polymer is used as a matrix for the electrolyte. No dedicated ion storage layer is required to operate the laminated devices; up to 4500 redox cycles are demonstrated at a low voltage. The intense coloration and switching properties (t = 0.4–2.8 s) are retained even after thermally treating these devices at 100 °C for 24 h in air. The versatility of this approach is demonstrated by the use of spray-coated bimolecular assemblies for multicolor display fabrication. The molecular assemblies have coloration efficiencies as high as 338 cm2 C−1.",

keywords = "electrochromism, metallo–organics, multicolor displays, solid-state devices, spray-coating",

author = "Naveen Malik and Michal Lahav and {van der Boom}, {Milko E.}",

note = "Funding Information: This research was supported by the Helen and Martin Kimmel Center for Molecular Design and the Israel Science Foundation (ISF). M.E.vd.B. is the holder of the Bruce A. Pearlman Professional Chair in Synthetic Organic Chemistry. The authors thank Yadid Algavi for his contribution in the preliminary experiments. The authors thank Dr. Tatyana Bendikov, Katya Rechav, and Dr. Irit Goldian for the XPS, FIB–SEM, and AFM measurements, respectively. Publisher Copyright: {\textcopyright} 2020 Wiley-VCH GmbH Copyright: Copyright 2020 Elsevier B.V., All rights reserved.",

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doi = "10.1002/aelm.202000407",

language = "English",

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AU - van der Boom, Milko E.

N1 - Funding Information: This research was supported by the Helen and Martin Kimmel Center for Molecular Design and the Israel Science Foundation (ISF). M.E.vd.B. is the holder of the Bruce A. Pearlman Professional Chair in Synthetic Organic Chemistry. The authors thank Yadid Algavi for his contribution in the preliminary experiments. The authors thank Dr. Tatyana Bendikov, Katya Rechav, and Dr. Irit Goldian for the XPS, FIB–SEM, and AFM measurements, respectively. Publisher Copyright: © 2020 Wiley-VCH GmbH Copyright: Copyright 2020 Elsevier B.V., All rights reserved.

PY - 2020/10/1

Y1 - 2020/10/1

N2 - In this work, the performance of surface-confined molecular assemblies, combined with a solid-state electrolyte, as multicolor displays is reported. An ultraviolet (UV) crosslinked polymer is used as a matrix for the electrolyte. No dedicated ion storage layer is required to operate the laminated devices; up to 4500 redox cycles are demonstrated at a low voltage. The intense coloration and switching properties (t = 0.4–2.8 s) are retained even after thermally treating these devices at 100 °C for 24 h in air. The versatility of this approach is demonstrated by the use of spray-coated bimolecular assemblies for multicolor display fabrication. The molecular assemblies have coloration efficiencies as high as 338 cm2 C−1.

AB - In this work, the performance of surface-confined molecular assemblies, combined with a solid-state electrolyte, as multicolor displays is reported. An ultraviolet (UV) crosslinked polymer is used as a matrix for the electrolyte. No dedicated ion storage layer is required to operate the laminated devices; up to 4500 redox cycles are demonstrated at a low voltage. The intense coloration and switching properties (t = 0.4–2.8 s) are retained even after thermally treating these devices at 100 °C for 24 h in air. The versatility of this approach is demonstrated by the use of spray-coated bimolecular assemblies for multicolor display fabrication. The molecular assemblies have coloration efficiencies as high as 338 cm2 C−1.

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Electrochromic Metallo–Organic Nanoscale Films: A Molecular Mix and Match Approach to Thermally Robust and Multistate Solid-State Devices

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