Grand canonical Monte Carlo simulation study on the catenation effect on hydrogen adsorption onto the interpenetrating metal-organic frameworks

Dong Hyun Jung, Daejin Kim, Tae Bum Lee, Sang Beom Choi, Ji Hye Yoon, Jaheon Kim, Kihang Choi, Seung Hoon Choi

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Among recently synthesized isoreticular metal-organic frameworks (IRMOFs), interpenetrating IRMOFs show high hydrogen adsorption capacities at low temperature and under ambient pressure. However, little is known about the molecular basis of their hydrogen binding properties. In this work, we performed grand canonical Monte Carlo (GCMC) simulations to investigate the effect of catenation on the interactions between hydrogen molecules and IRMOFs. We identified the adsorption sites and analyzed the adsorption energy distributions. The simulation results show that the small pores generated by catenation can play a role to confine the hydrogen molecules more densely, so that the capacity of the interpenetrating IRMOFs could be higher than that of the non-interpenetrating IRMOFs.

Original languageEnglish
Pages (from-to)22987-22990
Number of pages4
JournalJournal of Physical Chemistry B
Issue number46
Publication statusPublished - 2006 Nov 23


ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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