Dimensional perspectives on metal center associated electrochromism in metal-organic coordinated hybrid polymers: Unveiling electrochromic dynamics

Roy, Susmita; Halder, Sayan; Chakraborty, Chanchal

doi:10.1016/j.ccr.2024.216088

Coordination Chemistry Reviews

2024

DOI: 10.1016/j.ccr.2024.216088

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Dimensional perspectives on metal center associated electrochromism in metal-organic coordinated hybrid polymers: Unveiling electrochromic dynamics

Susmita Roy,

Sayan Halder,

Chanchal Chakraborty

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Cited by 4 publications

References 118 publications

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Redox‐Active Triphenylamine‐Triazine Covalent Organic Framework: A High Surface Area Microporous Material for Electrochromism and Electrofluorochromism

Nandre,

Halder,

Chakraborty

2024

Chemistry An Asian Journal

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Porous covalent organic frameworks (COFs) offer significant advantages in electrochromic (EC) applications due to their high surface area and porosity, which facilitate faradaic redox‐mediated diffusion‐controlled processes. However, COFs remain underexplored as EC materials due to challenges such as limited solubility and poor film‐forming ability. In this study, we synthesized a redox‐active triphenylamine‐containing COF (TPA‐TCIF) on ITO glass via a solvothermal method tailored for electrochromism and electrofluorochromism. The COF, formed through the condensation of tris(4‐formyl phenyl)amine and 2,4,6‐tris‐(4‐aminophenyl)‐1,3,5‐triazine, features a high surface area of 1136.8 m²/g and a pore diameter of 1.18 nm. This structure promotes efficient ion transport, reducing switching times and enhancing coloration efficiency (CE). Reversible redox reactions induce a color change from yellow to red, with an optical contrast (∆T) of 37% and a CE of 47.7 cm²/C. The film exhibited stable electrofluorochromic (EFC) behavior, switching from yellow emissive to dark black upon voltage application, with stability over 40 cycles. A quasi‐solid‐state electrochromic device (ECD) based on TPA‐TCIF demonstrated reversible color transitions, showcasing its potential for future display technologies and highlighting the promise of COFs in advanced EC applications.

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Redox‐Active Triphenylamine‐Triazine Covalent Organic Framework: A High Surface Area Microporous Material for Electrochromism and Electrofluorochromism

Nandre,

Halder,

Chakraborty

2024

Chemistry An Asian Journal

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Ligand-engineered Fe(II)-metallo-supramolecular polymer with benzothiadiazole: Boosting electrochromic energy storage efficiency

Halder,

Chakraborty

2024

Chemical Engineering Journal

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Performance specific recipe for nano-Co3O4 based electrochromic electrodes: Optimizing color modulation parameters

Ahlawat,

Sahu,

Bansal

et al. 2025

Optik

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Dimensional perspectives on metal center associated electrochromism in metal-organic coordinated hybrid polymers: Unveiling electrochromic dynamics

Cited by 4 publications

References 118 publications

Redox‐Active Triphenylamine‐Triazine Covalent Organic Framework: A High Surface Area Microporous Material for Electrochromism and Electrofluorochromism

Redox‐Active Triphenylamine‐Triazine Covalent Organic Framework: A High Surface Area Microporous Material for Electrochromism and Electrofluorochromism

Ligand-engineered Fe(II)-metallo-supramolecular polymer with benzothiadiazole: Boosting electrochromic energy storage efficiency

Performance specific recipe for nano-Co3O4 based electrochromic electrodes: Optimizing color modulation parameters

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