articleJournal of the American Chemical SocietyJan 31, 2023Closed access

Three-Dimensional Covalent Organic Frameworks with Ultra-Large Pores for Highly Efficient Photocatalysis

JDJiehua DingXGXinyu GuanJLJia LvXCXiaohong ChenYZYi Zhang

Jilin University · State Key Laboratory of Inorganic Synthesis and Preparative Chemistry · +2 more institutions

PubMed
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Abstract

Benefiting from their unique structural merits, three-dimensional (3D) large-pore COF materials demonstrate high surface areas and interconnected large channels, which makes these materials promising in practical applications. Unfortunately, functionalization strategies and application research are still absent in these structures. To this end, a series of functional 3D stp-topologized COFs are designed based on porphyrin or metalloporphyrin moieties, named JUC-640-M (M = Co, Ni, or H). Interestingly, JUC-640-H exhibits a record-breaking low crystal density (0.106 cm3 g–1) among all crystalline materials, along with the largest interconnected pore size (4.6 nm) in 3D COFs, high surface area (2204 m2 g–1), and…

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248
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22.51
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100%
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Authors

10

Topics & keywords

Topics
Keywords
  • Porphyrin
  • Surface modification
  • Chemistry
  • Covalent bond
  • Photocatalysis
  • Selectivity
  • Accessible surface area
  • Crystal structure
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