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March 25, 2026Small

Mechanistic Insights and Scalable Fabrication of a Ni‐Based MOF Bistable Electrochromic Film Toward Energy‐Efficient Displays

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Authors

JFJifei FengYLYiwen LiuHBHongshan Ban

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Overview

Demonstrates a Ni-based MOF film's effective bistable electrochromism, suggesting its potential for energy-efficient displays.

Key Points

  • Investigate the electrochromic properties of a Ni-based MOF film for energy-efficient display applications.
  • Fabricated the Ni-BPA film using electrostatic spraying deposition.
  • Evaluated the film's transmittance and coloration efficiency over time.
  • Conducted in situ Raman and EPR spectroscopy to analyze electrochromic mechanisms.
  • Utilized DFT calculations to assess ion interactions with the film.
  • Achieved 78% optical modulation at 490 nm and 88.57 cm² C⁻¹ coloration efficiency.
  • Observed only 8% transmittance loss after 12 hours in air, 17% after 72 hours.
  • Identified the Ni²⁺/Ni³⁺ redox couple as the main mechanism for electrochromism.

Cite This Study

Feng et al. (2026) studied this question.

synapsesocial.com/papers/69c37adcb34aaaeb1a67cb91https://doi.org/10.1002/smll.202514929
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