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May 6, 2026Advanced Functional Materials

Broadband Visible‐Near‐Infrared Electrochromism in Fluorene‐Bridged Viologens for Energy‐Efficient Smart Windows

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Authors

ZMZhenyuan MeiZXZijin XuZTZizheng Tong

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Overview

Research reveals broadband electrochromic performance in viologens, indicating potential for energy-efficient smart windows.

Key Points

  • The aim is to develop electrochromic materials capable of regulating solar radiation effectively.
  • Developed fluorene-bridged viologen derivatives (FBV-Et and FBV-Hex).
  • Conducted spectroelectrochemical analysis to assess light absorption and transitions.
  • Evaluated optical contrast and color transition in integrated electrochromic devices.
  • Achieved up to 99.56% optical contrast at 670 nm and 90.55% at 1425 nm.
  • Demonstrated reversible color transitions from colorless to red to deep black.
  • Showed potential for significant solar heat gain regulation in building energy simulations.

Cite This Study

Mei et al. (2026) studied this question.

synapsesocial.com/papers/69faa25e04f884e66b533058https://doi.org/10.1002/adfm.75659
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Complementary Asymmetric Fluorinated Viologen and Conjugated Phenyl Viologen for Black Electrochromic Devices with High Cycling Stability2026
  2. 2B‐N Fused Anthracene as Functional Linker for π‐Extended Viologens: Near‐IR Emission and Electrochromism2025 · 1 citations
  3. 3B‐N Fused Anthracene as Functional Linker for π‐Extended Viologens: Near‐IR Emission and Electrochromism2025
  4. 4B‐N Fused Anthracene as Functional Linker for π‐Extended Viologens: Near‐IR Emission and Electrochromism2025
  5. 5Viologen-Integrated MOF Thin Films: Reversible Electrochromic Behavior at Low Voltage2026 · 1 citations