کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
75777 | 49123 | 2010 | 8 صفحه PDF | دانلود رایگان |
Adsorption isotherms of N2, O2, CO2, and Xe on a flexible microporous coordination polymer, CPL-2 [Cu2(pzdc)2(bpy)]·(pzdc = pyrazine-2,3-dicarboxylate; bpy = 4,4′-bipyridine), possessing bellows-shaped one-dimensional channels were measured. A nonintegral number of each of the N2, O2, CO2, and Xe molecules can be accommodated in each unit pore, which indicates that all guest molecules are accommodated in the so-called “incommensurate fashion”. In situ synchrotron X-ray powder diffraction patterns of CPL-2 with guest molecules were recorded. The unit cells were determined from each pattern. It was found that the host CPL-2 exhibits different crystal transformation with the accommodation of each guest molecule. This indicates that, even in the case of incommensurate adsorption, the flexible framework of a microporous coordination polymer can transform each pore to suit different guest molecules.
Journal: Microporous and Mesoporous Materials - Volume 129, Issue 3, 15 April 2010, Pages 296–303