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Implications of Permeation through Intrinsic Defects in Graphene on the Design of Defect-Tolerant Membranes for Gas Separation
Open accessAbstract
Gas transport through intrinsic defects and tears is a critical yet poorly understood phenomenon in graphene membranes for gas separation. We report that independent stacking of graphene layers on a porous support exponentially decreases flow through defects. On the basis of experimental results, we develop a gas transport model that elucidates the separate contributions of tears and intrinsic defects on gas leakage through these membranes. The model shows that the pore size of the porous support and its permeance critically affect the separation behavior, and reveals the parameter space where gas separation can be achieved regardless of the presence of nonselective defects, even for single-layer membranes. The results provide a framework for understanding gas transport in graphene membranes and guide the design of practical, selectively permeable graphene membranes for gas separation.
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Citations
Cited by
Sun, P., Wang, K., & Zhu, H. (2016) · Advanced Materials · doi:10.1002/adma.201502595 · Cited by 668
Shah, M. S., Tsapatsis, M., & Siepmann, J. I. (2017) · Chemical Reviews · doi:10.1021/acs.chemrev.7b00095 · Cited by 600
Rao, R., Pint, C. L., Islam, A. E., Weatherup, R. S., Hofmann, S., Meshot, E. R., Wu, F., Zhou, C., Dee, N., Amama, P. B., et al. (2018) · ACS Nano · doi:10.1021/acsnano.8b06511 · Cited by 588
Ion selectivity of graphene nanopores
Rollings, R. C., Kuan, A. T., & Golovchenko, J. A. (2016) · Nature Communications · doi:10.1038/ncomms11408 · Cited by 521
Facile Fabrication of Freestanding Ultrathin Reduced Graphene Oxide Membranes for Water Purification
Liu, H., Wang, H., & Zhang, X. (2015) · Advanced Materials · doi:10.1002/adma.201404054 · Cited by 502
Metadata
- Authors
- Boutilier, M. S. H., Sun, C., O’Hern, S. C., Au, H., Hadjiconstantinou, N. G., & Karnik, R.
- Venue
- ACS Nano
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-01-03
- Volume
- 8
- Issue
- 1
- Pages
- 841-849
- ISSN
- 1936-0851 (ISSN-L)
- 1936-086X
- OpenAlex
- W2331284454
- Cited by
- 212
- References
- 0
- FWCI
- 26.10
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: Implications of Permeation through Intrinsic Defects in Graphene on the Design of Defect-Tolerant Membranes for Gas Separation. https://app.cochat.ai/papers/10.1021/nn405537u
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- Boutilier, M. S. H., Sun, C., O’Hern, S. C., Au, H., Hadjiconstantinou, N. G., & Karnik, R. (2014). Implications of Permeation through Intrinsic Defects in Graphene on the Design of Defect-Tolerant Membranes for Gas Separation. ACS Nano. https://doi.org/10.1021/nn405537u
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
