Metal-Organic Frameworks (MOFs), a well-known class of crystalline porous 3D-linked coordination polymers, has demonstrated their great potential for applications in a large number of fields. Recently, MOFs have been suggested for adsorption-driven heat pump applications. The selection of a working pair (working fluid and adsorbent) is, indeed, a fundamental aspect on the design of these heat pumps. Thus, exploring different working fluids (e.g. water and alcohols) within various MOFs, signifies a great task for material scientists. The confinement of guest molecules within porous materials exemplifies a newly and interesting synthetic approach to enhance carbon dioxide capture. For these reasons, in this work we present the adsorption properties of water and alcohols in the 1D-channel like MOF InOF-1 (InOF=Indium Organic-Framework) and the CO2 adsorption properties by solvent confinement (in the micropores of InOF-1). CO2 capture of InOF-1 was enhanced 3.6-fold, at 1 bar and 30 °C, by confining ethanol within its pores.

Our Journey to Enhance Carbon Dioxide Capture in MOFs

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