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1

Nippon Steel Corporation, 20-1Shintomi, Futtsu, Chiba 293-8511, Japan

2

Department of Chemistry, Graduate School of Science, Chiba University, Yayoi, Inage, Chiba 263-8522, Japan

3

Collaborative Innovation Center for Nanotech FIBER nanoFIC, Shinshu University, 3-15-1 Tokida, Ueda, Nagano 386-8567, Japan

4

Research Center for Exotic Nanocarbons, Shinshu University, Wakasato 4-17-1, Nagano-city 380-8553, Japan



Current address: Department of Applied Chemistry, Tokyo University of Agriculture and Technology, 2-24-16 Naka-cho, Koganei, Tokyo 184-8588, Japan.





*

Author to whom correspondence should be addressed.



Abstract Coordination polymers CPs or metal-organic frameworks MOFs have attracted considerable attention because of the tunable diversity of structures and functions. A 4,4-bipyridine molecule, which is a simple, linear, exobidentate, and rigid ligand molecule, can construct two-dimensional 2D square grid type CPs. Only the 2D-CPs with appropriate metal cations and counter anions exhibit flexibility and adsorb gas with a gate mechanism and these 2D-CPs are called elastic layer-structured metal-organic frameworks ELMs. Such a unique property can make it possible to overcome the dilemma of strong adsorption and easy desorption, which is one of the ideal properties for practical adsorbents. View Full-Text

Keywords: porous coordination polymer PCP; metal-organic framework MOF; gas adsorption; gas separation; structural transformation; gate phenomena; elastic layer‑structure; clathrate formation porous coordination polymer PCP; metal-organic framework MOF; gas adsorption; gas separation; structural transformation; gate phenomena; elastic layer‑structure; clathrate formation





Autor: Hiroshi Kajiro 1,* , Atsushi Kondo 2,3,†, Katsumi Kaneko 4 and Hirofumi Kanoh 2

Fuente: http://mdpi.com/



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