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Updated: Jun 14, 2026

In situ FTIR Spectroscopy as a Tool for Investigation of Gas/Solid Interaction: Water-Enhanced CO2 Adsorption in UiO-66 Metal-Organic Framework
Published on: February 1, 2020
Tuning MOF CO2 adsorption properties via cation exchange
1Department of Chemistry, University of Pittsburgh, 219 Parkman Avenue, Pittsburgh, Pennsylvania 15260, USA.
Abstract:
The pore volume and BET surface area of bio-MOF-1 (a), Zn(8)(ad)(4)(BPDC)(6)O.2Me(2)NH(2), is systematically modified via postsynthetic cation exchange with either tetramethylammonium, tetraethylammonium, or tetrabutylammonium cations to yield Zn(8)(ad)(4)(BPDC)(6)O.2Me(4)N (b), Zn(8)(ad)(4)(BPDC)(6)O.2Et(4)N (c), and Zn(8)(ad)(4)(BPDC)(6)O.2Bu(4)N (d), respectively. The impact that pore volume and BET surface area have on CO(2) capacity is evaluated, and it is found that materials with intermediate porosity (b and c) have the largest CO(2) capacities under the conditions studied.
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