Molecular transport in ionic liquid/nanomembrane hybrids.

Naberezhnyi D, Dementyev P (2020)
Physical chemistry chemical physics : PCCP 22(17): 9808-9814.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Naberezhnyi, Daniil; Dementyev, Petr
Abstract / Bemerkung
Ionic liquids and nanoscale membranes are both considered as promising functional components to design next-generation gas separation technologies. Herein, we combine free-standing carbon nanomembranes (CNMs) with [bmim][Tf2N] ionic liquid having affinity to carbon dioxide, and explore molecular permeation through such a composite membrane. Gas transport measurements reveal an increase in the transmembrane flux of carbon dioxide as compared to that of bare CNMs, whereas passage of helium is found to be suppressed in accordance with the solubility constants. Upon exposure to water vapor, the behavior of the hybrid membrane appears to differ strikingly as hydrophilic properties of CNMs are camouflaged by the hydrophobic nature of the ionic liquid. Kinetic simulations are conducted to account for the change in permeation mechanism, and the results agree with the experimental data obtained. Our study confirms that molecular transport in two-dimensional membranes can be tailored by imparting chemical functionalities, but at the same time highlights practical challenges in surface modification.
Erscheinungsjahr
2020
Zeitschriftentitel
Physical chemistry chemical physics : PCCP
Band
22
Ausgabe
17
Seite(n)
9808-9814
eISSN
1463-9084
Page URI
https://pub.uni-bielefeld.de/record/2943116

Zitieren

Naberezhnyi D, Dementyev P. Molecular transport in ionic liquid/nanomembrane hybrids. Physical chemistry chemical physics : PCCP. 2020;22(17):9808-9814.
Naberezhnyi, D., & Dementyev, P. (2020). Molecular transport in ionic liquid/nanomembrane hybrids. Physical chemistry chemical physics : PCCP, 22(17), 9808-9814. doi:10.1039/d0cp01233e
Naberezhnyi, Daniil, and Dementyev, Petr. 2020. “Molecular transport in ionic liquid/nanomembrane hybrids.”. Physical chemistry chemical physics : PCCP 22 (17): 9808-9814.
Naberezhnyi, D., and Dementyev, P. (2020). Molecular transport in ionic liquid/nanomembrane hybrids. Physical chemistry chemical physics : PCCP 22, 9808-9814.
Naberezhnyi, D., & Dementyev, P., 2020. Molecular transport in ionic liquid/nanomembrane hybrids. Physical chemistry chemical physics : PCCP, 22(17), p 9808-9814.
D. Naberezhnyi and P. Dementyev, “Molecular transport in ionic liquid/nanomembrane hybrids.”, Physical chemistry chemical physics : PCCP, vol. 22, 2020, pp. 9808-9814.
Naberezhnyi, D., Dementyev, P.: Molecular transport in ionic liquid/nanomembrane hybrids. Physical chemistry chemical physics : PCCP. 22, 9808-9814 (2020).
Naberezhnyi, Daniil, and Dementyev, Petr. “Molecular transport in ionic liquid/nanomembrane hybrids.”. Physical chemistry chemical physics : PCCP 22.17 (2020): 9808-9814.

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