Double−Step Gas Sorption of a Two−Dimensional Metal−Organic Framework
Journal of the American Chemical Society2007Vol. 129(41), pp. 12362–12363
Citations Over TimeTop 10% of 2007 papers
Atsushi Kondo, Hiroshi Noguchi, Lucia Carlucci, Davide Μ. Proserpio, Gíanfranco Ciani, Hiroshi Kajiro, Tomonori Ohba, Hirofumi Kanoh, Katsumi Kaneko
Abstract
The synthesis, structural changes, and nitrogen gas sorption isotherm of a porous metal−organic framework (PMOF) comprising stacked two-dimensional sheets are reported. This compound easily loses guest molecules and shrinks its interlayer distance. The guest-free species show a unique double-step sorption isotherm. Sorption and X-ray structural analyses have clarified that the first uptake is a micropore filling, while the second uptake originates from a clathrate formation. This explains the total sorption amount corresponding to about the double of the original void volume of the crystals.
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