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Title: Large-scale polymeric carbon nanotube membranes with sub–1.27-nm pores

Abstract

We report the first characterization study of commercial prototype carbon nanotube (CNT) membranes consisting of sub–1.27-nm-diameter CNTs traversing a large-area nonporous polysulfone film. The membranes show rejection of NaCl and MgSO 4 at higher ionic strengths than have previously been reported in CNT membranes, and specific size selectivity for analytes with diameters below 1.24 nm. The CNTs used in the membranes were arc discharge nanotubes with inner diameters of 0.67 to 1.27 nm. Water flow through the membranes was 1000 times higher than predicted by Hagen-Poiseuille flow, in agreement with previous CNT membrane studies. Ideal gas selectivity was found to deviate significantly from that predicted by both viscous and Knudsen flow, suggesting that surface diffusion effects may begin to dominate gas selectivity at this size scale.

Authors:
ORCiD logo [1]; ORCiD logo [2]; ORCiD logo [3]; ORCiD logo [3];  [3]; ORCiD logo [3]; ORCiD logo [3]; ORCiD logo [4];  [4]; ORCiD logo [4];  [4]; ORCiD logo [3]; ORCiD logo [4]
  1. Mattershift, New York, NY (United States)
  2. Mattershift, New York, NY (United States); Univ. of Connecticut, Storrs, CT (United States)
  3. Univ. of Connecticut, Storrs, CT (United States)
  4. Univ. of Texas, Austin, TX (United States)
Publication Date:
Research Org.:
Univ. of Texas, Austin, TX (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF)
OSTI Identifier:
1499950
Grant/Contract Number:  
FG02-02ER15362; DGE-1610403
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Science Advances
Additional Journal Information:
Journal Volume: 4; Journal Issue: 3; Journal ID: ISSN 2375-2548
Publisher:
AAAS
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

McGinnis, Robert L., Reimund, Kevin, Ren, Jian, Xia, Lingling, Chowdhury, Maqsud R., Sun, Xuanhao, Abril, Maritza, Moon, Joshua D., Merrick, Melanie M., Park, Jaesung, Stevens, Kevin A., McCutcheon, Jeffrey R., and Freeman, Benny D.. Large-scale polymeric carbon nanotube membranes with sub–1.27-nm pores. United States: N. p., 2018. Web. doi:10.1126/sciadv.1700938.
McGinnis, Robert L., Reimund, Kevin, Ren, Jian, Xia, Lingling, Chowdhury, Maqsud R., Sun, Xuanhao, Abril, Maritza, Moon, Joshua D., Merrick, Melanie M., Park, Jaesung, Stevens, Kevin A., McCutcheon, Jeffrey R., & Freeman, Benny D.. Large-scale polymeric carbon nanotube membranes with sub–1.27-nm pores. United States. doi:10.1126/sciadv.1700938.
McGinnis, Robert L., Reimund, Kevin, Ren, Jian, Xia, Lingling, Chowdhury, Maqsud R., Sun, Xuanhao, Abril, Maritza, Moon, Joshua D., Merrick, Melanie M., Park, Jaesung, Stevens, Kevin A., McCutcheon, Jeffrey R., and Freeman, Benny D.. Fri . "Large-scale polymeric carbon nanotube membranes with sub–1.27-nm pores". United States. doi:10.1126/sciadv.1700938. https://www.osti.gov/servlets/purl/1499950.
@article{osti_1499950,
title = {Large-scale polymeric carbon nanotube membranes with sub–1.27-nm pores},
author = {McGinnis, Robert L. and Reimund, Kevin and Ren, Jian and Xia, Lingling and Chowdhury, Maqsud R. and Sun, Xuanhao and Abril, Maritza and Moon, Joshua D. and Merrick, Melanie M. and Park, Jaesung and Stevens, Kevin A. and McCutcheon, Jeffrey R. and Freeman, Benny D.},
abstractNote = {We report the first characterization study of commercial prototype carbon nanotube (CNT) membranes consisting of sub–1.27-nm-diameter CNTs traversing a large-area nonporous polysulfone film. The membranes show rejection of NaCl and MgSO4 at higher ionic strengths than have previously been reported in CNT membranes, and specific size selectivity for analytes with diameters below 1.24 nm. The CNTs used in the membranes were arc discharge nanotubes with inner diameters of 0.67 to 1.27 nm. Water flow through the membranes was 1000 times higher than predicted by Hagen-Poiseuille flow, in agreement with previous CNT membrane studies. Ideal gas selectivity was found to deviate significantly from that predicted by both viscous and Knudsen flow, suggesting that surface diffusion effects may begin to dominate gas selectivity at this size scale.},
doi = {10.1126/sciadv.1700938},
journal = {Science Advances},
issn = {2375-2548},
number = 3,
volume = 4,
place = {United States},
year = {2018},
month = {3}
}

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Works referenced in this record:

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  • O�Hern, Sean C.; Stewart, Cameron A.; Boutilier, Michael S. H.
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