Comparison of MOF-5-and Cr-MOF-derived carbons for hydrogen storage application

Show simple item record Segakwenga, Tshiamo Musyoka, Nicholas M. Ren, Jianwei Crouse, Philippus L. Langmi, Hendrietta W. 2016-05-11T16:03:09Z 2016-05
dc.description.abstract Nanoporous carbons which possess high surface areas and narrow pore size distributions have become one of the most important classes of porous materials with potential to be utilized for hydrogen storage. In recent times, several metal– organic frameworks (MOFs) have been shown to be promising precursors for creating nanoporous carbons due to their high surface areas and tunable pore sizes. The pore structure and surface area of the resultant carbon materials can be tuned simply by changing the calcination temperature. In this work, a zinc-based MOF (MOF-5) and a chromium-based MOF (Cr-MOF) were both used as precursors for syntheses of nanoporous carbons by the direct carbonization technique at different temperatures. The resultant carbon nanostructure from MOF-5 possessed higher surface area, higher pore volume and enhanced hydrogen storage capacity as compared to pristine MOF. Meanwhile, the derived carbons from Cr-MOF displayed lower surface areas, pore volumes and hydrogen uptake than the parent MOF due to the formation of chromium oxide and carbide species in the pores of the Cr-MOFderived carbons. en_ZA
dc.description.department Chemical Engineering en_ZA
dc.description.embargo 2017-05-31
dc.description.librarian hb2016 en_ZA
dc.description.uri en_ZA
dc.identifier.citation Segakweng, T, Musyoka, NM, Ren, JW, Crouse, P & Langmi, HW 2016, 'Comparison of MOF-5-and Cr-MOF-derived carbons for hydrogen storage application', Research on Chemical Intermediates, vol. 42, no. 5, pp. 4951-4961. en_ZA
dc.identifier.issn 0922-6168 (print)
dc.identifier.issn 1568-5675 (online)
dc.identifier.other 10.1007/s11164-015-2338-1
dc.language.iso en en_ZA
dc.publisher Springer en_ZA
dc.rights © Springer Science+Business Media Dordrecht 2015. The original publication is available at : en_ZA
dc.subject Metal–organic framework en_ZA
dc.subject MOF-derived carbon en_ZA
dc.subject Hydrogen storage en_ZA
dc.subject Metal–organic frameworks (MOFs) en_ZA
dc.subject Zinc-based MOF (MOF-5) en_ZA
dc.subject Chromium-based MOF (Cr-MOF) en_ZA
dc.title Comparison of MOF-5-and Cr-MOF-derived carbons for hydrogen storage application en_ZA
dc.type Postprint Article en_ZA

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