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May 31, 2026Journal of Materials Chemistry A0 citations

Deciphering the Role of Sulfonated Side-Chain Length in Modulating Proton Transport in TpBd-COFs

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ZZZheyuan ZhangLSLe ShiZQZilin Qiao

Key Points

  • This research aims to understand how the length of sulfonated side chains affects proton transport in covalent organic frameworks.
  • Functionalization of covalent organic frameworks with varying lengths of sulfonated side chains.
  • Assessment of proton transport properties through ionic conductivity measurements.
  • Characterization of nanoporous structures using advanced imaging techniques.
  • Proton transport increases significantly with longer sulfonated side chains, showing a 35% enhancement in conductivity (p<0.01).
  • Optimal side chain length identified at four carbons, resulting in maximum ion mobility and membrane efficiency.
  • Ionic functionalities correlate positively with structural porosity, enhancing overall proton exchange rates.

Abstract

Covalent organic frameworks (COFs) functionalized with sulfonated side chains have emerged as promising materials for proton exchange membranes due to their ordered nanoporous structures and tunable ionic functionalities. Here, we...

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Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6a1bd0845783ba022b6fc491https://doi.org/10.1039/d6ta02332k
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