Published in
Royal Society of Chemistry, Chemical Communications, 24(50), p. 3238
DOI: 10.1039/c4cc00700j
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Does functionalisation enhance CO2 uptake in interpenetrated MOFs? An examination of the IRMOF-9 series
,
Campbell J. Coghlan ,
Witold M. Bloch,
Damien Rankine,
Gemma K. Gransbury,
Hiroshi Sato,
Susumu Kitagawa,
Christopher J. Sumby,
Matthew R. Hill,
Christian J. Doonan
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Abstract
The effect of pore functionalisation (-I, -OH, -OCH3) on a series of topologically equivalent, interpenetrated metal-organic frameworks (MOFs) was assessed by both simulation and experiment. Counter-intuitively, a decreased affinity for CO2 was observed in the functionalised materials, compared to the non-functionalised material. This result highlights the importance of considering the combined effects of network topology and chemical functionality in the design of MOFs for enhanced CO2 adsorption.