Incommensurate guest adsorption in bellows-shaped one-dimensional channels of porous coordination polymers

Ryotaro Matsuda, Ryo Kitaura, Yoshiki Kubota, Tatsuo C. Kobayashi, Masaki Takata, Susumu Kitagawa

研究成果査読

23 被引用数 (Scopus)

抄録

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.

本文言語English
ページ(範囲)296-303
ページ数8
ジャーナルMicroporous and Mesoporous Materials
129
3
DOI
出版ステータスPublished - 4月 15 2010

ASJC Scopus subject areas

  • 化学 (全般)
  • 材料科学(全般)
  • 凝縮系物理学
  • 材料力学

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