Reticular synthesis of covalent organic borosilicate frameworks
Date
2008
Authors
Hunt, J.
Doonan, C.
LeVangie, J.
Cote, A.
Yaghi, O.
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Journal article
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Journal of the American Chemical Society, 2008; 130(36):11872-11873
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Joseph R. Hunt, Christian J. Doonan, James D. LeVangie, Adrien P. Côté, and Omar M. Yaghi
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Abstract
This paper reports the synthesis and characterization of a new crystalline 3D covalent organic framework, COF-202: [C(C6H4)4]3[B3O6 (tBuSi)2]4, formed from condensation of a divergent boronic acid, tetra(4-dihydroxyborylphenyl)methane, and tert-butylsilane triol, tBuSi(OH)3. This framework is constructed through strong covalent bonds (Si-O, B-O) that link triangular and tetrahedral building units to form a structure based on the carbon nitride topology. COF-202 demonstrates high thermal stability, low density, and high porosity with a surface area of 2690 m2 g-1. The design and synthesis of COF-202 expand the type of linkage that could be used to crystallize new materials with extended covalent organic frameworks.
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Copyright © 2008 American Chemical Society