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Get Free AccessThree-dimensional covalent organic frameworks (3D COFs) were synthesized by targeting two nets based on triangular and tetrahedral nodes: ctn and bor . The respective 3D COFs were synthesized as crystalline solids by condensation reactions of tetrahedral tetra (4-dihydroxyborylphenyl) methane or tetra (4-dihydroxyborylphenyl)silane and by co-condensation of triangular 2,3,6,7,10,11-hexahydroxytriphenylene. Because these materials are entirely constructed from strong covalent bonds (C-C, C-O, C-B, and B-O), they have high thermal stabilities (400° to 500°C), and they also have high surface areas (3472 and 4210 square meters per gram for COF-102 and COF-103, respectively) and extremely low densities (0.17 grams per cubic centimeter).
Hani M. El‐Kaderi, Joseph R. Hunt, Jose L. Mendoza‐Cortes, Adrien P. Côté, Robert E. Taylor, M. O’Keeffe, Omar M Yaghi (2007). Designed Synthesis of 3D Covalent Organic Frameworks. , 316(5822), DOI: https://doi.org/10.1126/science.1139915.
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Type
Article
Year
2007
Authors
7
Datasets
0
Total Files
0
Language
en
DOI
https://doi.org/10.1126/science.1139915
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