ArticleProceedings of the National Academy of Sciences of the United States of America2024
Atomic observation and structural evolution of covalent organic framework rotamers.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
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Who cites it
10 citing papers in PubMed, 19 citations in OpenAlex.
- Article
- Thermoresponsive and xenon-triggered gate-opening in flexible three-dimensional covalent organic framework for selective xenon capture.Nature communications · 2026Article
- Dynamic covalent organic frameworks.Chemical science · 2026Review
- Defective three-dimensional covalent organic frameworks for enhanced hydrogen peroxide photosynthesis and organic transformation.Nature communications · 2026Article
- Single-crystal 2D covalent organic frameworks for high-capacity methane storage.Nature communications · 2026Article
- Enhanced proton conductivity in azole-functionalized three-dimensional crystalline covalent organic frameworks.Nature communications · 2026Article
- Porous covalent organic framework liquid for boosting CONational science review · 2025Article
- Guest-induced structural transformation of single-crystal 3D covalent organic framework at room and high temperatures.Nature communications · 2025Article
- Single-Crystal Dynamic Covalent Organic Frameworks for Adaptive Guest Alignments.Journal of the American Chemical Society · 2024Article
- Dynamic two-dimensional covalent organic frameworks.Nature chemistry · 2024Article
Corrections and comments
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Authors and funding
13 authors at 2 institutions in 1 country.
Funding
Abstract
Dynamic 3D covalent organic frameworks (COFs) have shown concerted structural transformation and adaptive gas adsorption due to the conformational diversity of organic linkers. However, the isolation and observation of COF rotamers constitute undergoing challenges due to their comparable free energy and subtle rotational energy barrier. Here, we report the atomic-level observation and structural evolution of COF rotamers by cryo-3D electron diffraction and synchrotron powder X-ray diffraction. Specifically, we optimize the crystallinity and morphology of COF-320 to manifest its coherent dynamic responses upon adaptive inclusion of guest molecules. We observe a significant crystal expansion of 29 vol% upon hydration and a giant swelling with volume change up to 78 vol% upon solvation. We record the structural evolution from a non-porous contracted phase to two narrow-pore intermediate phases and the fully opened expanded phase using
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Registered trials
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