ArticleChemical science2022
A visible light/heat responsive covalent organic framework for highly efficient and switchable proton conductivity.
Article in Chemical science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Low-Melting Mixture Solvents (LoMMSs): The Game-Changing Third-Generation Novel Green Solvents.Chemistry, an Asian journal · 2026Review
- Highly efficient light-gated COF membrane for precise multistage molecular separation.Science advances · 2026Article
- Structural Engineering of Photoisomerizable Covalent Organic Frameworks: Design Principles and Functional Applications.Polymer science & technology (Washington, D.C.) · 2025Review
- Light-driven self-assembly of spiropyran-functionalized covalent organic framework.Nature communications · 2023Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
In recent years, covalent organic frameworks (COFs) have attracted enormous interest as a new generation of proton-exchange membranes, chemical sensors and electronic devices. However, to design high proton conductivity COFs, especially those with stimulus responsive performance remains a great challenge. Here, the first example of a light/heat switchable COF (COF-HNU9) has been synthesized by grafting a donor-acceptor Stenhouse adduct (DASA) within the channels of a β-ketoenamine-based COF. DASA groups in the nanopores of COF-HNU9 undergo a reversible open-closed photoisomerization upon visible light irradiation and are recovered by heating. Thus, COF-HNU9 exhibits not only a remarkably high proton conductivity, but also a highly effective switching performance. Under visible light irradiation at 98% RH, the proton conductivity of COF-HNU9 increases by three orders of magnitude at 25 °C and is up to 0.02 S cm
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Registered trials
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