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Mechanisms of Gas Permeation through Single Layer Graphene Membranes
Abstract
Graphene has enormous potential as a unique molecular barrier material with atomic layer thickness, enabling new types of membranes for separation and manipulation. However, the conventional analysis of diffusive transport through a membrane fails in the case of single layer graphene (SLG) and other 2D atomically thin membranes. In this work, analytical expressions are derived for gas permeation through such atomically thin membranes in various limits of gas diffusion, surface adsorption, or pore translocation as the rate-limiting step. Gas permeation can proceed via direct gas-phase interaction with the pore, or interaction via the adsorbed phase on the membrane exterior surface. A series of van der Waals force fields allows for the estimation of the energy barriers present for various types of graphene nanopores. These analytical models will assist in the understanding of molecular dynamics and experimental studies of such membranes.
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Cited by
Graphene-based materials: Synthesis and gas sorption, storage and separation
Gadipelli, S., & Guo, Z. X. (2015) · Progress in Materials Science · doi:10.1016/j.pmatsci.2014.10.004 · Cited by 734
Sun, P., Wang, K., & Zhu, H. (2016) · Advanced Materials · doi:10.1002/adma.201502595 · Cited by 668
Recent developments in membranes for efficient hydrogen purification
Li, P., Wang, Z., Qiao, Z., Liu, Y., Cao, X., Li, W., Wang, J., & Wang, S. (2015) · Journal of Membrane Science · doi:10.1016/j.memsci.2015.08.010 · Cited by 303
Mechanisms of Molecular Permeation through Nanoporous Graphene Membranes
Sun, C., Boutilier, M. S. H., Au, H., Poesio, P., Bai, B., Karnik, R., & Hadjiconstantinou, N. G. (2014) · Langmuir · doi:10.1021/la403969g · Cited by 287
Gated CO2 permeation across dynamic graphene pores
Bondaz, L., Ronghe, A., Ganapathy Ayappa, K., & Agrawal, K. V. (2025) · Nature Communications · doi:10.1038/s41467-025-61518-2 · Cited by 12
Metadata
- Authors
- Drahushuk, L. W., & Strano, M. S.
- Venue
- Langmuir
- Publisher
- American Chemical Society (ACS)
- Published
- 2012-11-19
- Volume
- 28
- Issue
- 48
- Pages
- 16671-16678
- ISSN
- 0743-7463 (ISSN-L)
- 1520-5827
- OpenAlex
- W2068345837
- Cited by
- 164
- References
- 0
- FWCI
- 18.62
- Type
- journal article
- Language
- en
- Open access
- closed
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