Synthesis, Postsynthetic Modifications, and Applications of the First Quinoxaline-Based Covalent Organic Framework

Valerie A. Kuehl, Phuoc H.H. Duong, Deana Sadrieva, Samrat A. Amin, Yuqi She, Katie D. Li-Oakey, Jeffery L. Yarger, Bruce A. Parkinson, John O. Hoberg

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

We report a new synthetic protocol for preparing highly ordered two-dimensional nanoporous covalent organic frameworks (2D-COFs) based on a quinoxaline backbone. The quinoxaline framework represents a new type of COF that enables postsynthetic modification by placing two different chemical functionalities within the nanopores including layer-to-layer cross-linking. We also demonstrate that membranes fabricated using this new 2D-COF perform highly selective separations resulting in dramatic performance enhancement post cross-linking.

Original languageEnglish (US)
Pages (from-to)37494-37499
Number of pages6
JournalACS Applied Materials and Interfaces
Volume13
Issue number31
DOIs
StatePublished - Aug 11 2021
Externally publishedYes

Keywords

  • COF
  • covalent organic framework
  • membrane filtration
  • modifiable materials
  • nanoporous
  • quinoxaline

ASJC Scopus subject areas

  • Materials Science(all)

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