The role of sticking efficiencies in hydrogen gas adsorption on metal organic frameworks

被引：9
作者：
Iriowen, Esosa [1 ]
Orefuwa, Samuel [1 ]
Goudy, Andrew [1 ]
机构：
[1] Delaware State Univ, Dept Chem, Dover, DE 19901 USA
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2015年 / 645卷
关键词：
Metal organic frameworks; Sticking efficiency; Hydrogen adsorption isotherm; SORPTION; STORAGE; FUNCTIONALIZATION; SITES; OXIDE; H-2;
D O I：
10.1016/j.jallcom.2014.12.248
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：
In this study, the adsorption of hydrogen gas on 17 MOFs was compared. The majority of the MOFs contained carboxylate type linkers and metal centers such as Cu and Zn. A new parameter denoted sticking efficiency was used to compare the adsorption behaviors of the 17 MOFs. Results showed that a better correlation exists between sticking efficiency and hydrogen adsorption capacity than between surface area and adsorption capacity. However, when only MOFs containing similar types of linkers were included in the comparison, the surface area correlated somewhat better with adsorption capacity than did sticking efficiency. Since a direct correlation was also found between the sticking efficiency and the adsorption enthalpy it appears that sticking efficiency is a measure of the binding energies of the MOFs. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：S242 / S246
页数：5
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