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Strong H2 Binding and Selective Gas Adsorption within the Microporous Coordination Solid Mg3(O2C-C10H6-CO2)3
Abstract
The synthesis of Mg3(NDC)3(DEF)4 (NDC = 2,6-naphthalenedicarboxylate, DEF = N,N-diethylformamide, 1), the first porous metal-organic framework solid incorporating Mg2+ ions, is reported. Its structure consists of linear Mg3 units linked via NDC bridges to form a three-dimensional framework, featuring one-dimensional channels filled with DEF molecules. Significantly, its framework is fully analogous to that observed within Zn3(NDC)3(CH3OH)2.2DMF.H2O (2), demonstrating that Mg2+ ions can directly substitute for the heavier Zn2+ ions. Compound 1 is readily desolvated by heating at 190 degrees C to give the microporous solid Mg3(NDC)3, exhibiting a BET surface area of 190 m2/g. Adsorption isotherms measured at 77 and 87 K indicate high H2 adsorption enthalpies in the range 7.0-9.5 kJ/mol, depending on the degree of loading. In addition, the material displays selective adsorption of H2 or O2 over N2 or CO, suggesting possible applications in gas separation technologies.
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Citations
Cites
Adsorbents: Fundamentals and Applications
Yang, R. T. (2003) · doi:10.1002/047144409x · Cited by 1,182
Cited by
Metal–Organic Frameworks for Separations
Li, J.-R., Sculley, J., & Zhou, H.-C. (2012) · Chemical Reviews · doi:10.1021/cr200190s · Cited by 6,323
Luo, F., Yan, C., Dang, L., Krishna, R., Zhou, W., Wu, H., Dong, X., Han, Y., Hu, T.-L., O’Keeffe, M., et al. (2016) · Journal of the American Chemical Society · doi:10.1021/jacs.6b02030 · Cited by 601
Han, S. S., Mendoza-Cortés, J. L., & Goddard III, W. A. (2009) · Chemical Society Reviews · doi:10.1039/b802430h · Cited by 594
Nanoporous Polymers for Hydrogen Storage
Germain, J., Fréchet, J. M. J., & Svec, F. (2009) · Small · doi:10.1002/smll.200801762 · Cited by 432
Haque, E., Khan, N. A., Park, J. H., & Jhung, S. H. (2010) · Chemistry – A European Journal · doi:10.1002/chem.200902382 · Cited by 369
Metadata
- Authors
- Dincǎ, M., & Long, J. R.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-06-09
- Volume
- 127
- Issue
- 26
- Pages
- 9376-9377
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2007998078
- Cited by
- 736
- References
- 1
- FWCI
- 43.56
- Type
- journal article
- Language
- en
- Open access
- closed
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- Dincǎ, M., & Long, J. R. (2005). Strong H2 Binding and Selective Gas Adsorption within the Microporous Coordination Solid Mg3(O2C-C10H6-CO2)3. Journal of the American Chemical Society. https://doi.org/10.1021/ja0523082
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