Non-contact computer vision enables analysis of the dynamic performance of naphthalene diimide electrochromic films †

Nicholas R. Murray, Timothy J. D. McCabe, Marc Reid*, Emily R. Draper*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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Abstract

Napthalene diimide-based films show effective electrochromic behaviour, with the ability to undergo a reversible transparent-to-dark colour change following the application of an electrical potential. The response of these materials is typically measured using absorption spectroscopy, however this method can be limited, especially with strongly absorbing materials. As an alternative, described herein is the application of the Kineticolor computer vision software platform for the camera-enabled analysis of electrochromic behaviour. Beyond monitoring of the bulk colour change of the films, studying uniformity of colour, stability, and electrochemical reversibility of film response was also undertaken. The findings illustrate an expansion of the modalities avaliable for the analysis of chromic films through a non-contact, economical and more readily deployable method than traditional spectroscopic methods.
Original languageEnglish
Pages (from-to)12483-12490
Number of pages8
JournalJournal of Materials Chemistry C
Volume12
Issue number32
Early online date8 Jul 2024
DOIs
Publication statusPublished - 8 Jul 2024

Keywords

  • computer vision software platform
  • colour
  • chromic films
  • absorption spectroscopy

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