articleNature CommunicationsAug 27, 2024GOLD OA

Rigid covalent organic frameworks with thiazole linkage to boost oxygen activation for photocatalytic water purification

YHYanghui HouPZPeng ZhouFLFuyang LiuKTKe TongYLYanyu Lü

Peking University · Tiangong University · +3 more institutions

PubMed
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Abstract

Owing to their capability to produce reactive oxygen species (ROS) under solar irradiation, covalent organic frameworks (COFs) with pre-designable structure and unique architectures show great potentials for water purification. However, the sluggish charge separation, inefficient oxygen activation and poor structure stability in COFs restrict their practical applications to decontaminate water. Herein, via a facile one-pot synthetic strategy, we show the direct conversion of reversible imine linkage into rigid thiazole linkage can adjust the π-conjugation and local charge polarization of skeleton to boost the exciton dissociation on COFs. The rigid linkage can also improve the robustness of skeleton and the…

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Topics & keywords

Topics
Keywords
  • Covalent bond
  • Photocatalysis
  • Thiazole
  • Chemical engineering
  • Materials science
  • Photochemistry
  • Catalysis
  • Chemistry
UN Sustainable Development Goals
  • Clean water and sanitation
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