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Porous coordination polymers with ubiquitous and biocompatible metals and a neutral bridging ligand

Author

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  • Shin-ichiro Noro

    (Research Institute for Electronic Science, Hokkaido University
    Graduate School of Environmental Earth Science, Hokkaido University
    PRESTO, Japan Science and Technology Agency (JST)
    Creative Research Institute (CRIS), Hokkaido University)

  • Junya Mizutani

    (Graduate School of Environmental Earth Science, Hokkaido University)

  • Yuh Hijikata

    (Institute of Transformative Bio-Molecules (WPI-ITbM), Nagoya University, Chikusa-ku)

  • Ryotaro Matsuda

    (PRESTO, Japan Science and Technology Agency (JST)
    Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University)

  • Hiroshi Sato

    (Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University)

  • Susumu Kitagawa

    (Institute for Integrated Cell-Material Science (WPI-iCeMS), Kyoto University)

  • Kunihisa Sugimoto

    (Japan Synchrotron Radiation Research Institute)

  • Yasutaka Inubushi

    (Synthesis Research Laboratory, Kurashiki Research Center, Kuraray Co. Ltd.
    Present address: EVAL Research and Development Department, EVAL Division, Vinyl Acetate Company, Kuraray Co. Ltd., 7471, Tamashimaotoshima, Kurashiki, Okayama 713-8550, Japan)

  • Kazuya Kubo

    (Research Institute for Electronic Science, Hokkaido University
    Graduate School of Environmental Earth Science, Hokkaido University)

  • Takayoshi Nakamura

    (Research Institute for Electronic Science, Hokkaido University
    Graduate School of Environmental Earth Science, Hokkaido University)

Abstract

The design of inexpensive and less toxic porous coordination polymers (PCPs) that show selective adsorption or high adsorption capacity is a critical issue in research on applicable porous materials. Although use of Group II magnesium(II) and calcium(II) ions as building blocks could provide cheaper materials and lead to enhanced biocompatibility, examples of magnesium(II) and calcium(II) PCPs are extremely limited compared with commonly used transition metal ones, because neutral bridging ligands have not been available for magnesium(II) and calcium(II) ions. Here we report a rationally designed neutral and charge-polarized bridging ligand as a new partner for magnesium(II) and calcium(II) ions. The three-dimensional magnesium(II) and calcium(II) PCPs synthesized using such a neutral ligand are stable and show selective adsorption and separation of carbon dioxide over methane at ambient temperature. This synthetic approach allows the structural diversification of Group II magnesium(II) and calcium(II) PCPs.

Suggested Citation

  • Shin-ichiro Noro & Junya Mizutani & Yuh Hijikata & Ryotaro Matsuda & Hiroshi Sato & Susumu Kitagawa & Kunihisa Sugimoto & Yasutaka Inubushi & Kazuya Kubo & Takayoshi Nakamura, 2015. "Porous coordination polymers with ubiquitous and biocompatible metals and a neutral bridging ligand," Nature Communications, Nature, vol. 6(1), pages 1-9, May.
    • Handle: RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms6851
    DOI: 10.1038/ncomms6851
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