COFs on MOFs: Layer‐by‐Layer Synthesis of MOF@COF Nanoparticles with Synergistic Adsorption
Abstract
Abstract Synergistic effects between porous materials offer a powerful route to enhance key functionalities such as adsorption, catalysis, and molecular transport. In this context, the combination of metal–organic frameworks (MOFs) and covalent organic frameworks (COFs) provides a promising platform for engineering hybrid adsorbents with synergistic sorption behavior. Here, a versatile layer‐by‐layer strategy is presented for the controlled growth of crystalline COF shells on MOF nanoparticles, yielding uniform MOF@COF nanocomposites as stable aqueous colloids. This approach enables precise tuning of shell thickness and porosity under mild conditions. The resulting core–shell hybrids exhibit enhanced water adsorption, driven by the formation of interfacial mesopores. Modeling studies indicate that a minimum number of COF growth cycles is necessary to induce these mesopores, which interconnect with the intrinsic micropores of the COF shell and facilitate synergistic uptake. This work presents a scalable and modular approach to creating porous hybrid nanoparticles with programmable interfacial architectures and enhanced sorption performance.
Article Details
Authors (12)
Ana Guillem‐Navajas
Departamento de Química Inorgánica Universidad Autónoma de Madrid Madrid 28049 Spain
Lucía Torrico‐García‐Viso
Departamento de Química Inorgánica Universidad Autónoma de Madrid Madrid 28049 Spain
Jose Antonio Suárez del Pino
Catalan Institute of Nanoscience and Nanotechnology (ICN2) Campus UAB, Bellaterra Barcelona 08193 Spain
Nekane Aramburu‐Merino
Departamento de Física de la Materia Condensada Universidad Autónoma de Madrid Madrid 28049 Spain
Pilar Segovia
Enrique G. Michel
Departamento de Física de la Materia Condensada Universidad Autónoma de Madrid Madrid 28049 Spain
Josep Puigmartí‐Luis
Departament de Ciència de Materials i Química Física Universitat de Barcelona C/ Martí i Franquès, 1–11 Barcelona 08028 Spain
Enrique Velasco
Condensed Matter Physics Center (IFIMAC) Universidad Autónoma de Madrid Madrid 28049 Spain
Pedro Tarazona
Departamento de Física Teórica de la Materia Condensada
Daniel Maspoch
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, and The Barcelona Institute of Science and Technology
David Rodríguez‐San‐Miguel
Departamento de Química Inorgánica Universidad Autónoma de Madrid Madrid 28049 Spain
Félix Zamora
Departamento de Química Inorgánica, Universidad Autónoma de Madrid