Complex Adsorption of Short Linear Alkanes in the Flexible Metal-Organic-Framework MIL-53(Fe)

被引：279

作者：

Llewellyn, P. L. ^{[1
,2
,3
]}

Horcajada, P. ^{[4
]}

Maurin, G. ^{[5
]}

Devic, T. ^{[4
]}

Rosenbach, N. ^{[5
]}

Bourrelly, S. ^{[1
,2
,3
]}

Serre, C. ^{[4
]}

Vincent, D. ^{[1
,2
,3
]}

Loera-Serna, S. ^{[1
,2
,3
]}

Filinchuk, Y. ^{[6
]}

Ferey, G. ^{[4
]}

机构：

[1] Univ Aix Marseille 1, Lab Chim Provence, CNRS, Ctr St Jerome,UMR 6264, F-13397 Marseille, France

[2] Univ Aix Marseille 2, Lab Chim Provence, CNRS, Ctr St Jerome,UMR 6264, F-13397 Marseille, France

[3] Univ Aix Marseille 3, Lab Chim Provence, CNRS, Ctr St Jerome,UMR 6264, F-13397 Marseille, France

[4] Univ Versailles St Quentin En Yvelines, Inst Lavoisier, UMR CNRS 8180, F-78035 Versailles, France

[5] UM1, ENSCM, UM2, Inst Charles Gerhardt Montpellier,UMR CNRS 5253, F-34095 Montpellier 05, France

[6] ESRF, SNBL, F-38043 Grenoble, France

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2009年 / 131卷 / 36期

关键词：

POWDER DIFFRACTION; GAS-ADSORPTION; CARBON-DIOXIDE; CO2; CH4; MICROCALORIMETRY; COMBINATION; MIL-100; METHANE; STORAGE;

D O I：

10.1021/ja902740r

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

This investigation is based on a combination of experimental tools completed by a computational approach to deeply characterize the unusual adsorption behavior of the flexible MIL-53(Fe) in the presence of short linear alkanes. In contrast to the aluminum or chromium analogues we previously reported, the iron MIL-53 solid, which initially exhibits a closed structure in the dry state, shows more complex adsorption isotherms with multisteps occurring at pressures that depend on the nature of the alkane. This behavior has been attributed to the existence of four discrete pore openings during the whole adsorption process. Molecular simulations coupled with in situ X-ray powder diffraction were able to uncover these various structural states.

引用

页码：13002 / 13008

页数：7

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