articleACS CatalysisMay 2, 2024Closed access

Rational Design of Covalent Organic Frameworks with Redox-Active Catechol Moieties for High-Performance Overall Photosynthesis of Hydrogen Peroxide

SFShufan FengHCHao ChengFCFeng ChenXLXinman LiuZWZhi-Qiang Wang

East China University of Science and Technology · University of Science and Technology of China

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Abstract

Covalent organic frameworks (COFs) have emerged as promising candidates for solar-driven photosynthesis of hydrogen peroxide (H2O2), yet the development of high-performance COFs tailored for practical applications presents substantial challenges. This research introduces the integration of the redox-active catechol moiety into a series of COFs (TPE-COF-OH, TPB-COF-OH, and TPP-COF-OH), serving as the pivotal active site for photocatalytic oxygen (O2) reduction to H2O2 through a reversible catechol-quinone interconversion mechanism. This process facilitates the transformation of catechol to o-benzoquinone in the presence of molecular O2, while photoexcited electrons are utilized to revert o-benzoquinone to…

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113
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12.36
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100%
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51
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Authors

7

Topics & keywords

Topics
Keywords
  • Catechol
  • Redox
  • Chemistry
  • Moiety
  • Hydrogen peroxide
  • Covalent organic framework
  • Benzoquinone
  • Photochemistry
UN Sustainable Development Goals
  • Affordable and clean energy
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