ArticleAdvanced science (Weinheim, Baden-Wurttemberg, Germany)2026
Defect Engineering Activates Pyrene-Based Covalent Organic Frameworks for Efficient Photocatalytic Uranium Capture.
Article in Advanced science (Weinheim, Baden-Wurttemberg, Germany), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Defective three-dimensional covalent organic frameworks for enhanced hydrogen peroxide photosynthesis and organic transformation.Nature communications · 2026Article
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6 authors.
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Abstract
Efficient uranium capture from wastewater is essential for environmental remediation and sustainable nuclear energy, yet current adsorption and photocatalytic approaches remain limited by insufficient active sites, charge recombination, and hydrophobicity. Herein, a defect-engineered pyrene-based covalent organic framework (TP-PYTO-SA) is reported, synthesized from 2,4,6-triformylphloroglucinol (TP) and 2,7-diaminopyrene-4,5,9,10-tetraone (PYTO) with strategic salicylaldehyde (SA) incorporation. The introduced phenolic hydroxyl groups of SA improve hydrophilicity and offer additional uranyl binding sites, while rational defect density optimization (20%) generates localized electron traps. Concurrently, the electron-donating effect of phenolic hydroxyl groups establishes a built-in electric field, which significantly facilitates charge separation and enables a precisely tailored bandgap of 1.70 eV. Under standard AM 1.5G solar irradiation, TP-PYTO-SA
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