articleAngewandte Chemie International EditionJan 2, 2026HYBRID OA

Engineering Heterocyclic Linkages to Expand the Structural and Functional Diversity of Covalent Organic Frameworks

CQCheng QianYZYanli Zhao

Nanyang Technological University · Donghua University

PubMed
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Abstract

Heterocycle-linked covalent organic frameworks (HC-COFs) are a promising class of crystalline porous polymers constructed by linking organic modules into extended structures via heterocyclic moieties. HC-COFs have received considerable attention due to their robust linkages, extended π-conjugation and abundant heteroatomic sites. These intrinsic characteristics endow HC-COFs with high chemical stability, enhanced light-harvesting ability, and tunable redox activity, thus making them promising systems for widespread applications such as separation, catalysis, sensing, luminescence, biomedicine, energy storage, and environmental remediation. This review aims to provide a comprehensive overview of de novo…

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Topics & keywords

Topics
Keywords
  • Trilemma
  • Functional diversity
  • Covalent bond
  • Dynamic covalent chemistry
  • Organic synthesis
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