Enhanced noble gas adsorption in Ag@MOF-74Ni
Jian LiuFundamental and Computational Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA. [email protected]Denis M. StrachanFundamental and Computational Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USAPraveen K. ThallapallyFundamental and Computational Directorate, Pacific Northwest National Laboratory, Richland, WA 99352, USA
2013en
ABI
Abstract
Various amounts of Ag nanoparticles were successfully deposited in porous MOF-74Ni (or Ni/DOBDC) by an auto-reduction method. An optimized silver-loaded MOF-74Ni was shown to have an improved Xe adsorption capacity (15% more) at STP compared to the MOF without silver nanoparticles. The silver-loaded sample also has a higher Xe/Kr selectivity. These results are explained by the stronger interactions between polarizable Xe molecules and the well-dispersed Ag nanoparticles.
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