4.8 Article

Two-Dimensional Covalent Organic Framework (COF) Membranes Fabricated via the Assembly of Exfoliated COF Nanosheets

Journal

ACS APPLIED MATERIALS & INTERFACES
Volume 9, Issue 10, Pages 8433-8436

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b15752

Keywords

covalent organic framework; nanosheet; two-dimensional material; membrane separation; gas permeation; COF-1

Funding

  1. National Natural Science Foundation of China [21506067]
  2. Joint Funds of NSFC-CNPC [U1662137]
  3. Fundamental Research Funds for the Central Universities [2015ZZ136]

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Exceptionally homogeneous and ultrathin COF membranes were successfully fabricated using exfoliated COF nanosheets with uniform perforations as membrane building blocks. The COF membranes showed highly permeable performance due to the ultrafast molecular diffusion through the perforations of the COF nanosheets and the excellent thermal stability due to the robust covalent bonds in the framework.

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