Quantum sieving in organic frameworks

被引:26
作者
Garberoglio, Giovanni [1 ,2 ]
机构
[1] Univ Trento, CNISM, I-38100 Povo, TN, Italy
[2] Univ Trento, Dipartimento Fis, I-38100 Povo, TN, Italy
关键词
ZEOLITIC IMIDAZOLATE FRAMEWORKS; WALLED CARBON NANOTUBES; HYDROGEN ADSORPTION; SEPARATION; METHANE; DESIGN; SITES; H-2; SIMULATIONS; ISOTOPES;
D O I
10.1016/j.cplett.2008.11.065
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The isotopic separation factors for T-2/H-2 and D-2/H-2 mixtures adsorbed in various organic frameworks have been calculated using path integral Monte Carlo simulations. The results are in fair agreement with the available experimental data, and show a very strong dependence on temperature. The selectivity shows a less pronounced dependence on the external pressure, but different behaviours are found for different materials. They are analyzed from the point of view of the solid-fluid potential energy surface. (c) 2008 Elsevier B. V. All rights reserved.
引用
收藏
页码:270 / 275
页数:6
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