The DOI matches its Crossref record; 34 of the 34 references it cites were found in a registry or an index.
A Fine-Tuned Fluorinated MOF Addresses the Needs for Trace CO2 Removal and Air Capture Using Physisorption
Abstract
The development of functional solid-state materials for carbon capture at low carbon dioxide (CO2) concentrations, namely, from confined spaces (<0.5%) and in particular from air (400 ppm), is of prime importance with respect to energy and environment sustainability. Herein, we report the deliberate construction of a hydrolytically stable fluorinated metal-organic framework (MOF), NbOFFIVE-1-Ni, with the appropriate pore system (size, shape, and functionality), ideal for the effective and energy-efficient removal of trace carbon dioxide. Markedly, the CO2-selective NbOFFIVE-1-Ni exhibits the highest CO2 gravimetric and volumetric uptake (ca. 1.3 mmol/g and 51.4 cm(3) (STP) cm(-3)) for a physical adsorbent at 400 ppm of CO2 and 298 K. Practically, NbOFFIVE-1-Ni offers the complete CO2 desorption at 328 K under vacuum with an associated moderate energy input of 54 kJ/mol, typical for the full CO2 desorption in conventional physical adsorbents but considerably lower than chemical sorbents. Noticeably, the contracted square-like channels, affording the close proximity of the fluorine centers, permitted the enhancement of the CO2-framework interactions and subsequently the attainment of an unprecedented CO2 selectivity at very low CO2 concentrations. The precise localization of the adsorbed CO2 at the vicinity of the periodically aligned fluorine centers, promoting the selective adsorption of CO2, is evidenced by the single-crystal X-ray diffraction study on NbOFFIVE-1-Ni hosting CO2 molecules. Cyclic CO2/N2 mixed-gas column breakthrough experiments under dry and humid conditions corroborate the excellent CO2 selectivity under practical carbon capture conditions. Pertinently, the notable hydrolytic stability positions NbOFFIVE-1-Ni as the new benchmark adsorbent for direct air capture and CO2 removal from confined spaces.
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Self-citationCarbon dioxide capture-related gas adsorption and separation in metal-organic frameworks
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Li, H., Li, L., Lin, R.-B., Zhou, W., Zhang, Z., Xiang, S., & Chen, B. (2019) · EnergyChem · doi:10.1016/j.enchem.2019.100006 · Cited by 891
Sorbents for the Direct Capture of CO 2 from Ambient Air
Shi, X., Xiao, H., Azarabadi, H., Song, J., Wu, X., Chen, X., & Lackner, K. S. (2020) · Angewandte Chemie International Edition · doi:10.1002/anie.201906756 · Cited by 679
Understanding the Effect of Water on CO2 Adsorption
Kolle, J. M., Fayaz, M., & Sayari, A. (2021) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00762 · Cited by 523
Asymmetric pore windows in MOF membranes for natural gas valorization
Zhou, S., Shekhah, O., Ramírez, A., Lyu, P., Abou-Hamad, E., Jia, J., Li, J., Bhatt, P. M., Huang, Z., Jiang, H., et al. (2022) · Nature · doi:10.1038/s41586-022-04763-5 · Cited by 448
Self-citation
Metadata
- Authors
- Bhatt, P. M., Belmabkhout, Y., Cadiau, A., Adil, K., Shekhah, O., Shkurenko, A., Barbour, L. J., & Eddaoudi, M.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-07-19
- Volume
- 138
- Issue
- 29
- Pages
- 9301-9307
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2469117827
- Cited by
- 553
- References
- 34
- FWCI
- 14.82
- Type
- journal article
- Language
- en
- Open access
- closed
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- Bhatt, P. M., Belmabkhout, Y., Cadiau, A., Adil, K., Shekhah, O., Shkurenko, A., Barbour, L. J., & Eddaoudi, M. (2016). A Fine-Tuned Fluorinated MOF Addresses the Needs for Trace CO2 Removal and Air Capture Using Physisorption. Journal of the American Chemical Society. https://doi.org/10.1021/jacs.6b05345
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