Alkali metal cation effects on hydrogen uptake and binding in metal-organic frameworks

Karen L. Mulfort, Joseph T. Hupp

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Abstract

A 2-fold interwoven metal-organic framework has been chemically reduced and doped with Li+, Na+, and K+. At low pressures and temperatures, the reduced and doped materials exhibit enhanced H2 uptake-up to 65% higher than for the neutral framework. Notably, at similar doping levels, H2 binding is strongest with Li+ and decreases as Li+ > Na+ > K+. However, the uptake increases in the opposite order. We attribute the behavior to structural changes accompanying framework reduction.

Original languageEnglish
Pages (from-to)7936-7938
Number of pages3
JournalInorganic Chemistry
Volume47
Issue number18
DOIs
Publication statusPublished - Sep 15 2008

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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