Double-Step Gate Phenomenon in CO2 Sorption of an Elastic Layer-Structured MOF

A double-step CO2 sorption by [Cu(4,4'-bpy)2(BF4)2] (ELM-11) was observed during isothermal measurements at 195, 253, 273, and 298 K and was accompanied by interlayer expansion in the layered structure of ELM-11. The first step occurred in the range of the relative pressure (P/P0) from 10(-3) t...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 32(2016), 38 vom: 27. Sept., Seite 9722-6
1. Verfasser: Ichikawa, Manami (VerfasserIn)
Weitere Verfasser: Kondo, Atsushi, Noguchi, Hiroshi, Kojima, Natsuko, Ohba, Tomonori, Kajiro, Hiroshi, Hattori, Yoshiyuki, Kanoh, Hirofumi
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2016
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a A double-step CO2 sorption by [Cu(4,4'-bpy)2(BF4)2] (ELM-11) was observed during isothermal measurements at 195, 253, 273, and 298 K and was accompanied by interlayer expansion in the layered structure of ELM-11. The first step occurred in the range of the relative pressure (P/P0) from 10(-3) to 10(-2). The second step was observed at P/P0 ≈ 0.3 at the four temperatures. Structural changes in ELM-11 during the CO2 sorption process were examined by X-ray diffraction (XRD) measurements. The structural change for the first step was well understood from a detailed structural analysis, as reported previously. The XRD results showed further expansion of the layers during the second step as compared to the already expanded structure in the first step, and both steps were found to be caused by the gate phenomenon. The energy for the expansion of the layer structure was estimated from experimental and simulated data 
650 4 |a Journal Article 
650 4 |a Research Support, Non-U.S. Gov't 
700 1 |a Kondo, Atsushi  |e verfasserin  |4 aut 
700 1 |a Noguchi, Hiroshi  |e verfasserin  |4 aut 
700 1 |a Kojima, Natsuko  |e verfasserin  |4 aut 
700 1 |a Ohba, Tomonori  |e verfasserin  |4 aut 
700 1 |a Kajiro, Hiroshi  |e verfasserin  |4 aut 
700 1 |a Hattori, Yoshiyuki  |e verfasserin  |4 aut 
700 1 |a Kanoh, Hirofumi  |e verfasserin  |4 aut 
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