Ultrathin films of porous metal-organic polyhedra for gas separation

Miguel A. Andrés, Arnau Carné-Sánchez, Javier Sanchez-Lainez, Olivier Roubeau, Joaquin Coronas, Daniel Maspoch Comamala, Ignacio Gascón

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Resum

Ultrathin films of a robust Rh-based porous metal-organic polyhedra (MOP) have been obtained. Homogeneous and compact monolayer films (ca. 2.5 nm thick) were first formed at the air-water interface, deposited onto different substrates and characterized using spectroscopic methods, scanning transmission electron microscopy and atomic force microscopy. As a proof of concept, the gas separation performance of MOP-supported membranes has also been evaluated. Selective MOP ultrathin films (thickness ca. 60 nm) exhibit remarkable CO permeance and CO/N selectivity, demonstrating the great combined potential of MOP and Langmuir-based techniques in separation technologies.
Idioma originalAnglès
Pàgines (de-a)143-147
Nombre de pàgines5
RevistaChemistry - A European Journal
Volum26
Número1
DOIs
Estat de la publicacióEn premsa - 2020

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