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Título: | Solvent-exchange process in MOF ultrathin films and its effect on CO2 and methanol adsorption |
Autor: | Andrés, Miguel A. CSIC ORCID; Fontaine, Philippe; Goldmann, Michel; Serre, Christian; Roubeau, Olivier CSIC ORCID; Gascón, Ignacio CSIC ORCID | Fecha de publicación: | 2021 | Editor: | Elsevier | Citación: | Journal of Colloid and Interface Science 590: 72-81 (2021) | Resumen: | Metal-organic framework (MOF) activation is crucial for the use of MOFs in several applications and solvent-exchange process is a necessary step in many activation methods. In this contribution, we have explored in situ MOF monolayer film formation at the air-water interface. Nanoparticles (NPs) of the Al trimesate MIL-96(Al) retain chloroform into their micropores, which considerably diminishes the CO2 adsorption capacity of MOF films. However, a solvent-exchange process between chloroform and water increases CO2 film adsorption capacity by 30%. Total Reflection X-Ray Fluorescence (TRXF) allows studying the kinetics of this process at the air-water interface, that strongly depends on the NP size. The conclusions derived from in situ studies allow optimizing the ex situ activation procedure of MIL-96(Al) films deposited onto quartz crystal microbalance (QCM) substrates in order to maximize CO2 and methanol adsorption. | Versión del editor: | https://doi.org/10.1016/j.jcis.2021.01.030 | URI: | http://hdl.handle.net/10261/251300 | DOI: | 10.1016/j.jcis.2021.01.030 | E-ISSN: | 1095-7103 |
Aparece en las colecciones: | (INMA) Artículos |
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