Evaluating solvothermal and mechanochemical routes towards the metal–organic framework Mg2(m-dobdc)
Abstract
Metal–organic frameworks bearing coordinatively unsaturated Mg(II) sites are promising materials for gas storage, chemical separations, and drug delivery due to their low molecular weights and lack of toxicity. Furthermore, there remains a limited number of such MOFs reported in the literature. Herein, we investigate the gas sorption properties of the understudied framework Mg2(m-dobdc) (dobdc4– = 4,6-dioxido-1,3-benzenedicarboxylate) synthesized under both solvothermal and mechanochemical conditions. Both materials are found to be permanently porous, as confirmed by 77 K N2 adsorption measurements. In particular, Mg2(m-dobdc) synthesized under mechanochemical conditions using exogenous organic base displays one of the highest capacities reported to date (6.14 mmol g–1) for CO2 capture in a porous solid under simulated coal flue gas conditions (150 mbar, 40 °C). As such, mechanochemically synthesized Mg2(m-dobdc) represents a promising new framework for applications requiring high gas adsorption capacities in a porous solid.
- Authors:
-
- Cornell Univ., Ithaca, NY (United States)
- Publication Date:
- Research Org.:
- Cornell Univ., Ithaca, NY (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1891062
- Alternate Identifier(s):
- OSTI ID: 1875012; OSTI ID: 1974510
- Grant/Contract Number:
- SC0021000
- Resource Type:
- Accepted Manuscript
- Journal Name:
- CrystEngComm
- Additional Journal Information:
- Journal Volume: 24; Journal Issue: 41; Journal ID: ISSN 1466-8033
- Publisher:
- Royal Society of Chemistry
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE
Citation Formats
Chen, Elena Y., Mandel, Ruth M., and Milner, Phillip J. Evaluating solvothermal and mechanochemical routes towards the metal–organic framework Mg2(m-dobdc). United States: N. p., 2022.
Web. doi:10.1039/d2ce00739h.
Chen, Elena Y., Mandel, Ruth M., & Milner, Phillip J. Evaluating solvothermal and mechanochemical routes towards the metal–organic framework Mg2(m-dobdc). United States. https://doi.org/10.1039/d2ce00739h
Chen, Elena Y., Mandel, Ruth M., and Milner, Phillip J. Thu .
"Evaluating solvothermal and mechanochemical routes towards the metal–organic framework Mg2(m-dobdc)". United States. https://doi.org/10.1039/d2ce00739h. https://www.osti.gov/servlets/purl/1891062.
@article{osti_1891062,
title = {Evaluating solvothermal and mechanochemical routes towards the metal–organic framework Mg2(m-dobdc)},
author = {Chen, Elena Y. and Mandel, Ruth M. and Milner, Phillip J.},
abstractNote = {Metal–organic frameworks bearing coordinatively unsaturated Mg(II) sites are promising materials for gas storage, chemical separations, and drug delivery due to their low molecular weights and lack of toxicity. Furthermore, there remains a limited number of such MOFs reported in the literature. Herein, we investigate the gas sorption properties of the understudied framework Mg2(m-dobdc) (dobdc4– = 4,6-dioxido-1,3-benzenedicarboxylate) synthesized under both solvothermal and mechanochemical conditions. Both materials are found to be permanently porous, as confirmed by 77 K N2 adsorption measurements. In particular, Mg2(m-dobdc) synthesized under mechanochemical conditions using exogenous organic base displays one of the highest capacities reported to date (6.14 mmol g–1) for CO2 capture in a porous solid under simulated coal flue gas conditions (150 mbar, 40 °C). As such, mechanochemically synthesized Mg2(m-dobdc) represents a promising new framework for applications requiring high gas adsorption capacities in a porous solid.},
doi = {10.1039/d2ce00739h},
journal = {CrystEngComm},
number = 41,
volume = 24,
place = {United States},
year = {Thu Jun 30 00:00:00 EDT 2022},
month = {Thu Jun 30 00:00:00 EDT 2022}
}
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