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: Article査読

22 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 - 2010 4 15
外部発表はい

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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