About this Abstract |
Meeting |
MS&T22: Materials Science & Technology
|
Symposium
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Synthesis, Characterization, Modeling and Applications of Functional Porous Materials
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Presentation Title |
Neutron and X-ray Scattering to Characterize Adsorbents and Their Hosts |
Author(s) |
Hayden A Evans, Ryan A Klein, Benjamin A Trump, Craig M. Brown |
On-Site Speaker (Planned) |
Craig M. Brown |
Abstract Scope |
Adsorption of molecules in functionalized and high surface area metal-organic frameworks (MOFs) is of emergent technological importance in a multitude of areas. We have been studying the properties of MOFs and other porous materials for storage and separations of industrially important small molecules. Besides the geometrical and porosity control available in MOF chemistry, the properties of the frameworks can be tweaked to elevate electrostatic interactions by exposing open metal cation sites or through enhanced van der Waals contacts via functionalizing ligands and introducing flexibility. We will highlight optimized interactions of hydrogen with open metal sites to obtain room temperature adsorption, a range of dynamic frameworks pore binding in MOF-like materials, and small pore MOFs which are robust to moisture and are highly selective for a series of separations. These results illustrate the governing characteristics of these material properties and the interactions with the guest molecules. |