Multiple-component covalent organic frameworks
| Autor: | Lipeng Zhai, Ning Huang, Katsuyuki Nishimura, Keiko Okushita, Damien E. Coupry, Matthew Addicoat, Donglin Jiang, Thomas Heine |
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| Rok vydání: | 2016 |
| Předmět: |
Materials science
Science Multiple component General Physics and Astronomy Structural diversity Nanotechnology 02 engineering and technology 010402 general chemistry 01 natural sciences Article General Biochemistry Genetics and Molecular Biology Tetragonal crystal system Knot (unit) chemistry.chemical_classification Quantitative Biology::Biomolecules Multidisciplinary Hexagonal crystal system General Chemistry Polymer 021001 nanoscience & nanotechnology 0104 chemical sciences Crystallography chemistry Covalent bond 0210 nano-technology Linker |
| Zdroj: | Nature Communications, Vol 7, Iss 1, Pp 1-12 (2016) Nature Communications |
| ISSN: | 2041-1723 |
| DOI: | 10.1038/ncomms12325 |
| Popis: | Covalent organic frameworks are a class of crystalline porous polymers that integrate molecular building blocks into periodic structures and are usually synthesized using two-component [1+1] condensation systems comprised of one knot and one linker. Here we report a general strategy based on multiple-component [1+2] and [1+3] condensation systems that enable the use of one knot and two or three linker units for the synthesis of hexagonal and tetragonal multiple-component covalent organic frameworks. Unlike two-component systems, multiple-component covalent organic frameworks feature asymmetric tiling of organic units into anisotropic skeletons and unusually shaped pores. This strategy not only expands the structural complexity of skeletons and pores but also greatly enhances their structural diversity. This synthetic platform is also widely applicable to multiple-component electron donor–acceptor systems, which lead to electronic properties that are not simply linear summations of those of the conventional [1+1] counterparts. Covalent organic frameworks are crystalline porous polymers integrating molecular building blocks into periodic structures. Here, the authors report a general multiple-component condensation strategy that enables the use of one knot and two or three linkers to synthesize complex, anisotropic frameworks. |
| Databáze: | OpenAIRE |
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