Ln-Co-based rock-salt-type porous coordination polymers: vapor response controlled by changing the lanthanide ion |
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Authors: | Kobayashi Atsushi Suzuki Yui Ohba Tadashi Noro Shin-ichiro Chang Ho-Chol Kato Masako |
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Affiliation: | Division of Chemistry, Faculty of Science, Hokkaido University, North-10, West-8, Kita-Ku, Sapporo 060-0810, Japan. akoba@sci.hokudai.ac.jp |
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Abstract: | We synthesized new porous coordination polymers (PCPs) {Ln(III)[Co(III)(dcbpy)(3)]·nH(2)O} (Ln = La(3+), Nd(3+), Gd(3+); H(2)dcbpy = 4,4'-dicarboxy-2,2'-bipyridine) and characterized them by X-ray diffraction and vapor-adsorption measurements. These three Ln-Co-based PCPs have similar rock-salt types and highly symmetrical porous structure and show a reversible structural collapse-regeneration accompanied by water-vapor desorption-adsorption. Similar structural regeneration was also observed for the Gd-Co PCP upon exposure to MeOH and CH(3)CN vapors, whereas the remaining two PCPs barely responded to organic vapors. |
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