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  • Yang, Yizhou,1992Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology (author)

A self-standing three-dimensional covalent organic framework film

  • Article/chapterEnglish2023

Publisher, publication year, extent ...

  • 2023-01-14
  • Springer Science and Business Media LLC,2023
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:da3031d6-c266-49ad-8ccb-277cea5a91f4
  • https://research.chalmers.se/publication/534314URI
  • https://doi.org/10.1038/s41467-023-35931-4DOI
  • https://gup.ub.gu.se/publication/325561URI

Supplementary language notes

  • Language:English
  • Summary in:English

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Classification

  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Covalent crystals such as diamonds are a class of fascinating materials that are challenging to fabricate in the form of thin films. This is because spatial kinetic control of bond formation is required to create covalently bonded crystal films. Directional crystal growth is commonly achieved by chemical vapor deposition, an approach that is hampered by technical complexity and associated high cost. Here we report on a liquid-liquid interfacial approach based on physical-organic considerations to synthesize an ultrathin covalent crystal film. By distributing reactants into separate phases using hydrophobicity, the chemical reaction is confined to an interface that orients the crystal growth. A molecular-smooth interface combined with in-plane isotropic conditions enables the synthesis of films on a centimeter size scale with a uniform thickness of 13 nm. The film exhibits considerable mechanical robustness enabling a free-standing length of 37 µm, as well as a clearly anisotropic chemical structure and crystal lattice alignment.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Chen, Yanyan,1990Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)yanyanc (author)
  • Izquierdo Ruiz, Fernando,1989Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)ruizf (author)
  • Schäfer, Clara,1992Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology(Swepub:gu)xschcl (author)
  • Rahm, Martin,1982Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)rahmma (author)
  • Börjesson, Karl,1982Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology(Swepub:gu)xbokar (author)
  • Göteborgs universitetInstitutionen för kemi och molekylärbiologi (creator_code:org_t)

Related titles

  • In:Nature Communications: Springer Science and Business Media LLC14:12041-17232041-1723

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