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Quantum Effects on Hydrogen Isotope Adsorption on Single-Wall Carbon Nanohorns
Abstract
H(2) and D(2) adsorption on single-wall carbon nanohorns (SWNHs) have been measured at 77 K, and the experimental data were compared with grand canonical Monte Carlo simulations for adsorption of these hydrogen isotopes on a model SWNH. Quantum effects were included in the simulations through the Feynman-Hibbs effective potential. The simulation predictions show good agreement with the experimental results and suggest that the hydrogen isotope adsorption at 77 K can be successfully explained with the use of the effective potential. According to the simulations, the hydrogen isotopes are preferentially adsorbed in the cone part of the SWNH with a strong potential field, and quantum effects cause the density of adsorbed H(2) inside the SWNH to be 8-26% smaller than that of D(2). The difference between H(2) and D(2) adsorption increases as pressure decreases because the quantum spreading of H(2), which is wider than that of D(2), is fairly effective at the narrow conical part of the SWNH model. These facts indicate that quantum effects on hydrogen adsorption depend on pore structures and are very important even at 77 K.
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Cited by
Enhanced Hydrogen Storage Capacity of High Surface Area Zeolite-like Carbon Materials
Yang, Z., Xia, Y., & Mokaya, R. (2007) · Journal of the American Chemical Society · doi:10.1021/ja067149g · Cited by 622
Barely porous organic cages for hydrogen isotope separation
Liu, M., Zhang, L., Little, M. A., Kapil, V., Ceriotti, M., Yang, S., Ding, L., Holden, D. L., Balderas-Xicohténcatl, R., He, D., et al. (2019) · Science · doi:10.1126/science.aax7427 · Cited by 399
Kim, J. Y., Oh, H., & Moon, H. R. (2019) · Advanced Materials · doi:10.1002/adma.201805293 · Cited by 174
Cai, J., Xing, Y., & Zhao, X. (2012) · RSC Advances · doi:10.1039/c2ra01284g · Cited by 107
Dynamic Quantum Molecular Sieving Separation of D2 from H2–D2 Mixture with Nanoporous Materials
Niimura, S., Fujimori, T., Minami, D., Hattori, Y., Abrams, L., Corbin, D., Hata, K., & Kaneko, K. (2012) · Journal of the American Chemical Society · doi:10.1021/ja305809u · Cited by 76
Self-citationKowalczyk, P., Gauden, P. A., & Terzyk, A. P. (2008) · The Journal of Physical Chemistry B · doi:10.1021/jp800735k · Cited by 62
Molecular Sieves for the Separation of Hydrogen Isotopes
Perez-Carbajo, J., Parra, J. B., Ania, C. O., Merkling, P. J., & Calero, S. (2019) · ACS Applied Materials & Interfaces · doi:10.1021/acsami.9b02736 · Cited by 56
Chu, X.-Z., Cheng, Z.-P., Xiang, X.-X., Xu, J.-M., Zhao, Y.-J., Zhang, W.-G., Lv, J.-S., Zhou, Y.-P., Zhou, L., Moon, D.-K., et al. (2014) · International Journal of Hydrogen Energy · doi:10.1016/j.ijhydene.2014.01.031 · Cited by 42
Metadata
- Authors
- Tanaka, H., Kanoh, H., Yudasaka, M., Iijima, S., & Kaneko, K.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2005-04-28
- Volume
- 127
- Issue
- 20
- Pages
- 7511-7516
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2077129537
- Cited by
- 202
- References
- 0
- FWCI
- 7.37
- Type
- journal article
- Language
- en
- Open access
- closed
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