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A Robust Metal-Organic Framework Combining Open Metal Sites and Polar Groups for Methane Purification and CO2/Fluorocarbon Capture.
- Source :
- Chemistry - A European Journal; 3/23/2017, Vol. 23 Issue 17, p4060-4064, 5p
- Publication Year :
- 2017
-
Abstract
- A 3D porous perchlorinated metal-organic framework (MOF), LIFM-26, featuring dual functionality, that is, functional polar groups and open metal sites, has been synthesized using perchlorinated linear dicarboxylate to link trigonal prismatic Fe<subscript>3</subscript>(μ<subscript>3</subscript>-O) units. LIFM-26 exhibits good thermal and chemical stability, and possesses high porosity with a BET surface area of 1513 m<superscript>2</superscript> g<superscript>−1</superscript>, compared with isoreticular MOF-235 and Fe<subscript>3</subscript>O(F<subscript>4</subscript>BDC)<subscript>3</subscript>(H<subscript>2</subscript>O)<subscript>3</subscript> (F<subscript>4</subscript>BDC=2,3,5,6-tetrafluorobenzene-1,4-dicarboxylate). Most strikingly, LIFM-26 features good gas sorption/separation performance at 298 K and 1 atm with IAST selectivity values reaching up to 36, 93, 23, 11, 46, and 202 for CO<subscript>2</subscript>/CH<subscript>4</subscript>, CO<subscript>2</subscript>/N<subscript>2</subscript>, C<subscript>2</subscript>H<subscript>4</subscript>/CH<subscript>4</subscript>, C<subscript>2</subscript>H<subscript>6</subscript>/CH<subscript>4</subscript>, C<subscript>3</subscript>H<subscript>8</subscript>/CH<subscript>4</subscript>, and R22/N<subscript>2</subscript> (R22=CHClF<subscript>2</subscript>), respectively, showing potential for use in biogas/natural gas purification and CO<subscript>2</subscript>/R22 capture. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 09476539
- Volume :
- 23
- Issue :
- 17
- Database :
- Complementary Index
- Journal :
- Chemistry - A European Journal
- Publication Type :
- Academic Journal
- Accession number :
- 122080445
- Full Text :
- https://doi.org/10.1002/chem.201606038