Enhancing H2 uptake by "close-packing" alignment of open copper sites in metal-organic frameworks

Xi Sen Wang, Shengqian Ma, Paul M. Forster, Daqiang Yuan, Juergen Eckert, Joseph J. López, Brandon J. Murphy, John B. Parise, Hong Cai Zhou

Research output: Contribution to journalArticlepeer-review

286 Scopus citations

Abstract

Open and close: Inspired by close-packing of spheres, to strengthen the framework-H2 interaction in MOFs (metal-organic frameworks), a strategy is devised to increase the number of nearest neighboring open metal sites of each H2-hosting cage, and to align the open metal sites toward the H2 molecules. Two MOF polymorphs were made, one exhibiting a record high hydrogen uptake of 3.0 wt% at 1 bar and 77 K. (Chemical Equation Presented)

Original languageEnglish
Pages (from-to)7263-7266
Number of pages4
JournalAngewandte Chemie - International Edition
Volume47
Issue number38
DOIs
StatePublished - Sep 8 2008

Keywords

  • Close-packing
  • Copper
  • Hydrogen storage
  • Metal-organic framework
  • Sustainable chemistry

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