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Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
Ultrahigh porosity in metal-organic frameworks
Hiroyasu Furukawa1, Nakeun Ko, Yong Bok Go
1Center for Reticular Chemistry at the California NanoSystems Institute, and Department of Chemistry and Biochemistry, University of California Los Angeles (UCLA), 607 Charles E. Young Drive East, Los Angeles, CA 90095, USA.
Science (New York, N.Y.)
|July 3, 2010
Summary
New metal-organic frameworks (MOFs) exhibit exceptional porosity and high gas uptake capacities for hydrogen, methane, and carbon dioxide. MOF-210 demonstrates record-breaking surface area and storage capacity, advancing materials science for gas adsorption.
Area of Science:
- Materials Science
- Nanotechnology
- Chemistry
Background:
- Metal-organic frameworks (MOFs) are crystalline porous materials with tunable structures.
- Developing MOFs with high surface areas and pore volumes is crucial for gas storage applications.
Purpose of the Study:
- To synthesize novel MOFs with extended 3D structures and large pore sizes.
- To investigate the gas adsorption properties of these new MOFs.
Main Methods:
- Synthesis of four MOFs (MOF-180, -200, -205, -210) using Zn4O clusters and various organic linkers.
- Characterization of pore size, surface area (BET, Langmuir), and gas uptake capacities (H2, CH4, CO2).
Main Results:
- MOFs with pore diameters up to 48 angstroms were successfully synthesized.
- MOF-210 achieved record Brunauer-Emmett-Teller (BET) and Langmuir surface areas (6240 and 10,400 m²/g).
- MOF-210 demonstrated a high CO2 storage capacity of 2870 mg/g and a volume-specific surface area of 2060 m²/cm³.
Conclusions:
- The synthesized MOFs exhibit exceptional porosities and gas uptake capabilities.
- MOF-210 represents a significant advancement in high-capacity gas storage materials.
- These MOFs hold promise for applications in gas storage and separation technologies.
