Ambroz, F;
Macdonald, T;
Martis, V;
Parkin, I;
(2018)
Evaluation of the BET Theory for the Characterization of Meso and Microporous MOFs.
Small Methods
, 2
(11)
, Article 1800173. 10.1002/smtd.201800173.
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Abstract
Surface area determination with the Brunauer–Emmett–Teller (BET) method is a widely used characterization technique for metal–organic frameworks (MOFs). Since these materials are highly porous, the use of the BET theory can be problematic. Several researchers have evaluated the BET method to gain insights into the usefulness of the obtained results and interestingly, their findings are not always consistent. In this review, the suitability of the BET method is discussed for MOFs that have a diverse range of pore widths below the diameters of N2 or Ar and above 20 Å. In addition, the surface area of MOFs that are obtained by implementing different approaches, such as grand canonical Monte Carlo simulations, calculations from the crystal structures or based on experimental N2, Ar, or CO2 adsorption isotherms, are compared and evaluated. Inconsistencies in the state‐of‐the‐art are also noted. Based on the current literature, an overview is provided of how the BET method can give useful estimations of the surface areas for the majority of MOFs, but there are some crucial and specific exceptions which are highlighted in this review.
| Type: | Article |
|---|---|
| Title: | Evaluation of the BET Theory for the Characterization of Meso and Microporous MOFs |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1002/smtd.201800173 |
| Publisher version: | https://doi.org/10.1002/smtd.201800173 |
| Language: | English |
| Additional information: | This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited. |
| Keywords: | BET method, consistency criteria, MOFs, porous materials, surface area sizes |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > UCL BEAMS UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10056236 |
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