Hydrogen Storage in New Metal-Organic Frameworks

被引：186

作者：

Tranchemontagne, David J. ^{[1
,2
]}

Park, Kyo Sung ^{[1
,2
]}

Furukawa, Hiroyasu ^{[1
,2
]}

Eckert, Juergen ^{[5
]}

Knobler, Carolyn B. ^{[1
,2
]}

Yaghi, Omar M. ^{[1
,2
,3
,4
]}

机构：

[1] Univ Calif Los Angeles, Ctr Reticular Chem, DOE, Inst Genom & Prote, Los Angeles, CA 90095 USA

[2] Univ Calif Los Angeles, Dept Chem & Biochem, Los Angeles, CA 90095 USA

[3] Korea Adv Inst Sci & Technol, NanoCentury KI, Taejon 305701, South Korea

[4] Korea Adv Inst Sci & Technol, Grad Sch EEWS WCU, Taejon 305701, South Korea

[5] Univ S Florida, Dept Chem, Tampa, FL 33620 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2012年 / 116卷 / 24期

关键词：

POROUS COORDINATION-POLYMER; BORON-PYRAZOLE CHEMISTRY; SITU LIGAND SYNTHESIS; SURFACE-AREA; IN-SITU; ADSORPTION PROPERTIES; FREE-VOLUME; SORPTION; POROSITY; METHANE;

D O I：

10.1021/jp302356q

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：

Five new metal-organic frameworks (MOFs, termed MOF-324, 325, 326 and IRMOF-61 and 62) of either short linkers (pyrazolecarboxylate and pyrazaboledicarboxylate) or long and thin alkyne functionalities (ethynyldibenzoate and butadiynedibenzoate) were prepared to examine their impact on hydrogen storage in MOFs. These compounds were characterized by single-crystal X-ray diffraction, and their low-pressure and high-pressure hydrogen uptake properties were investigated. In particular, volumetric excess H-2 uptake by MOF-324 and IRMOF-62 outperforms MOF-177 up to 30 bar. Inelastic neutron-scattering studies for MOF-324 also revealed strong interactions between the organic links and hydrogen, in contrast to MOF-5 where the interactions between the Zn4O unit and hydrogen are the strongest. These data also show that smaller pores and polarized linkers in MOFs are indeed advantageous for hydrogen storage.

引用

页码：13143 / 13151

页数：9

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