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

Research output: Contribution to journalArticlepeer-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 languageEnglish
Article number2000407
JournalAdvanced Electronic Materials
Volume6
Issue number10
DOIs
Publication statusPublished - 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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