Elastic layer-structured metal organic frameworks (ELMs)

Elastic layer-structured MOFs (ELMs) have a novel feature of a flexible structure and a reversible expansion/shrinkage behavior and usefulness in applicability to CO 2 separation and CH 4 storage. Elastic layer-structured metal organic frameworks (ELMs) having flexible two-dimensional structure show...

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Bibliographic Details
Published in:Journal of colloid and interface science 2009-06, Vol.334 (1), p.1-7
Main Authors: Kanoh, Hirofumi, Kondo, Atsushi, Noguchi, Hiroshi, Kajiro, Hiroshi, Tohdoh, Aya, Hattori, Yoshiyuki, Xu, Wei-Chun, Inoue, Mamoru, Sugiura, Tsutomu, Morita, Kazuhiro, Tanaka, Hideki, Ohba, Tomonori, Kaneko, Katsumi
Format: Article
Language:English
Subjects:
CH 4 storage
Chemistry
Clathrate
CO 2 separation
Colloidal state and disperse state
Exact sciences and technology
General and physical chemistry
Metal organic framework (MOF)
Surface physical chemistry
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Summary:Elastic layer-structured MOFs (ELMs) have a novel feature of a flexible structure and a reversible expansion/shrinkage behavior and usefulness in applicability to CO 2 separation and CH 4 storage. Elastic layer-structured metal organic frameworks (ELMs) having flexible two-dimensional structure show a gate phenomenon in sorption/desorption of simple gas molecules. The gate phenomenon is accompanied by expansion/shrinkage of the layers. The gas sorption/desorption is not based on a physical adsorption, but on a chemical reaction, which includes high cooperativity. The cooperative reaction could be analyzed thermodynamically. The gate phenomenon showed advantages in separation of CO 2 from mixed gases and in storage of CH 4 owing to easy release of absorbed molecules.
ISSN:0021-9797
1095-7103
DOI:10.1016/j.jcis.2009.03.020