Porous, Crystalline, Covalent Organic Frameworks
Top Cited Papers
- 18 November 2005
- journal article
- other
- Published by American Association for the Advancement of Science (AAAS) in Science
- Vol. 310 (5751), 1166-1170
- https://doi.org/10.1126/science.1120411
Abstract
Covalent organic frameworks (COFs) have been designed and successfully synthesized by condensation reactions of phenyl diboronic acid {C 6 H 4 [B(OH) 2 ] 2 } and hexahydroxytriphenylene [C 18 H 6 (OH) 6 ]. Powder x-ray diffraction studies of the highly crystalline products (C 3 H 2 BO) 6 ·(C 9 H 12 ) 1 (COF-1) and C 9 H 4 BO 2 (COF-5) revealed expanded porous graphitic layers that are either staggered (COF-1, P 6 3 / mmc ) or eclipsed (COF-5, P 6/ mmm ). Their crystal structures are entirely held by strong bonds between B, C, and O atoms to form rigid porous architectures with pore sizes ranging from 7 to 27 angstroms. COF-1 and COF-5 exhibit high thermal stability (to temperatures up to 500° to 600°C), permanent porosity, and high surface areas (711 and 1590 square meters per gram, respectively).This publication has 12 references indexed in Scilit:
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