May 22 – 25, 2023
Europe/London timezone

MOF sensors for contaminant capture and detection: cooperative computational-experimental screening approach

May 24, 2023, 9:45 AM
15m
Oral Presentation (MS22) Manufactured Porous Materials for Industrial Applications MS22

Speaker

Paul Iacomi (Surface Measurement Systems)

Description

The remarkable mastery over chemical synthesis in the modern world has drastically enriched humanity. At the same time, our activity often results in significant emissions of undesirable contaminants, including toxic gases (NOx, SOx, CO), volatile organic compounds (BTEX, esters, aldehydes, …) alongside other volatile compounds posing threats to both human health and sensitive machinery. Therefore, the detection and abatement of airborne contaminants at low levels (ppb to ppm) is an ongoing challenge for maintaining a clean and safe environment, particularly in regulated spaces, such as clean rooms, satellites, and indoor living spaces.

In this context, framework materials like MOFs and COFs appear as promising materials due their tailorable chemical and physical properties and highly porous structures, acting as sorption media for direct air capture of contaminants,[1] or as components in electronic devices designed for monitoring their concentration.[2] Nevertheless, given the large number of synthesizable frameworks [3] the choice of a material to target a specific contaminant is more often than not a question of serendipity.[4]

To overcome this problem, a generalized approach is herein given for screening MOFs for specific contaminant molecules. This method combines high-throughput molecular simulations to highlight key promising materials, followed by advanced adsorption experiments at very low contaminant concentrations and sensing. We further detail several classes of MOF materials which were identified through this approach that are applicable to the capture and detection of common contaminants in the space industry (i) siloxanes, (ii) aromatics and (iii) esters.

References

[1] C. Lai, Z. Wang, L. Qin, Y. Fu, B. Li, M. Zhang, S. Liu, L. Li, H. Yi, X. Liu, X. Zhou, N. An, Z. An, X. Shi, C. Feng, Coordination Chemistry Reviews 2021, 427, 213565.
[2] M. D. Allendorf, R. Dong, X. Feng, S. Kaskel, D. Matoga, V. Stavila, Chem. Rev. 2020, 120, 8581–8640.
[3] P. Z. Moghadam, A. Li, X.-W. Liu, R. Bueno-Perez, S.-D. Wang, S. B. Wiggin, P. A. Wood, D. Fairen-Jimenez, Chem. Sci. 2020, 11, 8373–8387.
[4] S. Curtarolo, G. L. W. Hart, M. B. Nardelli, N. Mingo, S. Sanvito, O. Levy, Nature Mater 2013, 12, 191–201.

Participation In-Person
Country UK
MDPI Energies Student Poster Award No, do not submit my presenation for the student posters award.
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Primary authors

Paul Iacomi (Surface Measurement Systems) Dr Ezgi Gulcay-Ozgan (ICGM, CNES) Dr Guillaume Rioland (CNES) Prof. Guillaume Maurin (ICGM) Prof. Sabine Devautour-Vinot (ICGM)

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