The platform effect of graphene oxide on CO2 transport on copper nanocomposites in ionic liquids

Il Seok Chae, Jung Hyun Lee, Jinkee Hong, Yong Soo Kang, Sang Wook Kang

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We report the effect of graphene oxide (GO) on a facilitated CO2 transport membrane consisting of copper nanoparticles (CuNP) prepared in situ in ionic liquids (IL), such as 1-hexyl-3-methylimidazolium nitrate (HmimNO3) and 1-methyl-3-octylimidazolium tetrafluoroborate (MoimBF4). The highly smooth surface of the GO was characterized by atomic force microscopy, and the interactions between the GO and the IL were investigated by Fourier transform-Raman spectroscopy. With GO, the fabricated HmimNO3/CuNP/GO and MoimBF4/CuNP/GO composite membranes showed CO2/N2 separations of 8.7 and 30.7, respectively, with enhanced CO2 gas permeance compared to IL/CuNP composite membrane without GO. This implies that graphene oxide can be used as an effective additive in nanocomposite membranes for enhanced CO2 permeance.

Original languageEnglish
Pages (from-to)343-347
Number of pages5
JournalChemical Engineering Journal
Volume251
DOIs
Publication statusPublished - 2014 Sep 1

Fingerprint

Ionic Liquids
Graphite
Ionic liquids
Oxides
Graphene
Copper
Nanocomposites
oxide
copper
membrane
Composite membranes
Membranes
Liquid membranes
atomic force microscopy
ionic liquid
effect
Raman spectroscopy
Nitrates
Fourier transform
Atomic force microscopy

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Environmental Chemistry
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering

Cite this

Chae, Il Seok ; Lee, Jung Hyun ; Hong, Jinkee ; Kang, Yong Soo ; Kang, Sang Wook. / The platform effect of graphene oxide on CO2 transport on copper nanocomposites in ionic liquids. In: Chemical Engineering Journal. 2014 ; Vol. 251. pp. 343-347.
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The platform effect of graphene oxide on CO2 transport on copper nanocomposites in ionic liquids. / Chae, Il Seok; Lee, Jung Hyun; Hong, Jinkee; Kang, Yong Soo; Kang, Sang Wook.

In: Chemical Engineering Journal, Vol. 251, 01.09.2014, p. 343-347.

Research output: Contribution to journalArticle

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AB - We report the effect of graphene oxide (GO) on a facilitated CO2 transport membrane consisting of copper nanoparticles (CuNP) prepared in situ in ionic liquids (IL), such as 1-hexyl-3-methylimidazolium nitrate (HmimNO3) and 1-methyl-3-octylimidazolium tetrafluoroborate (MoimBF4). The highly smooth surface of the GO was characterized by atomic force microscopy, and the interactions between the GO and the IL were investigated by Fourier transform-Raman spectroscopy. With GO, the fabricated HmimNO3/CuNP/GO and MoimBF4/CuNP/GO composite membranes showed CO2/N2 separations of 8.7 and 30.7, respectively, with enhanced CO2 gas permeance compared to IL/CuNP composite membrane without GO. This implies that graphene oxide can be used as an effective additive in nanocomposite membranes for enhanced CO2 permeance.

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