Herein, we present the use of presynthetic and postsynthetic modification (PSM) approaches to regulate the structural organization of functional groups within the pores of isoreticular metal-organic frameworks (IRMOFs).  It has been found that the structural ordering of aryl groups within the IRMOF pores results in hysteretic H2 sorption, while the same aryl groups introduced in a disordered manner displays reversible H2 sorption that is more typical of the IRMOF family.  The hysteretic H2 sorption is shown to originate from the organization of the functional groups within the IRMOF lattice, demonstrating a new approach to controlling the gas sorption properties of MOFs.

Modulating H<sub>2</sub> sorption of metal-organic frameworks via ordered functional groups

248th National Meeting (2014)

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Modulating H2 sorption of metal-organic frameworks via ordered functional groups

Modulating H₂ sorption of metal-organic frameworks via ordered functional groups