Direct structural evidence of commensurate-to-incommensurate transition of hydrocarbon adsorption in a microporous metal organic framework

Debasis Banerjee, Hao Wang, Qihan Gong, Anna M. Plonka, Jacek Jagiello, Haohan Wu, William R. Woerner, Thomas J. Emge, David H. Olson, John B. Parise, Jing Li

Research output: Contribution to journalArticle

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Abstract

The efficiency of physisorption-based separation of gas-mixtures depends on the selectivity of adsorbent which is directly linked to size, shape, polarizability and other physical properties of adsorbed molecules. Commensurate adsorption is an interesting and important adsorption phenomenon, where the adsorbed amount, location, and orientation of an adsorbate are commensurate with the crystal symmetry of the adsorbent. Understanding this phenomenon is important and beneficial as it can provide vital information about adsorbate-adsorbent interaction and adsorption-desorption mechanism. So far, only sporadic examples of commensurate adsorption have been reported in porous materials such as zeolites and metal organic frameworks (MOFs). In this work we show for the first time direct structural evidence of commensurate-to-incommensurate transition of linear hydrocarbon molecules (C2-C7) in a microporous MOF, by employing a number of analytical techniques including single crystal X-ray diffraction (SCXRD), in situ powder X-ray diffraction coupled with differential scanning calorimetry (PXRD-DSC), gas adsorption and molecular simulations.

Original languageEnglish
Pages (from-to)759-765
Number of pages7
JournalChemical Science
Volume7
Issue number1
DOIs
Publication statusPublished - 2015

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Hydrocarbons
Metals
Adsorbents
Adsorption
Adsorbates
Zeolites
Gas adsorption
Molecules
Physisorption
Crystal symmetry
Gas mixtures
Crystal orientation
X ray powder diffraction
Porous materials
Differential scanning calorimetry
Desorption
Physical properties
Single crystals
X ray diffraction

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

Direct structural evidence of commensurate-to-incommensurate transition of hydrocarbon adsorption in a microporous metal organic framework. / Banerjee, Debasis; Wang, Hao; Gong, Qihan; Plonka, Anna M.; Jagiello, Jacek; Wu, Haohan; Woerner, William R.; Emge, Thomas J.; Olson, David H.; Parise, John B.; Li, Jing.

In: Chemical Science, Vol. 7, No. 1, 2015, p. 759-765.

Research output: Contribution to journalArticle

Banerjee, D, Wang, H, Gong, Q, Plonka, AM, Jagiello, J, Wu, H, Woerner, WR, Emge, TJ, Olson, DH, Parise, JB & Li, J 2015, 'Direct structural evidence of commensurate-to-incommensurate transition of hydrocarbon adsorption in a microporous metal organic framework', Chemical Science, vol. 7, no. 1, pp. 759-765. https://doi.org/10.1039/c5sc03685b
Banerjee, Debasis ; Wang, Hao ; Gong, Qihan ; Plonka, Anna M. ; Jagiello, Jacek ; Wu, Haohan ; Woerner, William R. ; Emge, Thomas J. ; Olson, David H. ; Parise, John B. ; Li, Jing. / Direct structural evidence of commensurate-to-incommensurate transition of hydrocarbon adsorption in a microporous metal organic framework. In: Chemical Science. 2015 ; Vol. 7, No. 1. pp. 759-765.
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