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In the meantime, to ensure continued support, we are displaying the site without styles and JavaScript. The potential applications of covalent organic frameworks COFs can be further developed by encapsulating functional nanoparticles within the frameworks. However, the synthesis of monodispersed core shell structured COF nanocomposites without agglomeration remains a significant challenge. Herein, we present a versatile dual-ligand assistant strategy for interfacial growth of COFs on the functional nanoparticles with abundant physicochemical properties.
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Regardless of the composition, geometry or surface properties of the core, the obtained core shell structured nanocomposites with controllable shell-thickness are very uniform without agglomeration.
The derived bowl-shape, yolk shell, core satellites shell nanostructures can also be fabricated delicately. As an emerging class of porous crystalline materials, covalent organic frameworks COFs are featured with high and regular porosity, low crystal density, and excellent structural stability 1 , 2 , which make them promising candidates for various applications in catalysis 3 , gas storage and separation 4 , 5 , sensors 6 , and biomedicine 7 , 8 , 9 , The controllable fabrication of COFs in terms of their components, structure, and morphology is of utmost significance to achieve well-designed COFs with desirable properties for different applications.
By serving as a unique host matrix for various functional species, COFs offer the opportunity to develop new types of hybrid materials with collective or enhanced properties in comparison to the pure COF counterparts, such as the unique catalytic, optical, and electrical properties The incorporation of inorganic functional entities in COFs is one of the most important strategies to construct the COFs nanocomposites, which attracts much attention due to the diverse physicochemical properties of those functional entities Generally, there are two routes to prepare the functional COF nanocomposites.
