Cooperative Crystallization of Heterometallic Indium–Chromium Metal–Organic Polyhedra and Their Fast Proton Conductivity
書誌事項
- 公開日
- 2015-05-15
- 権利情報
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- http://onlinelibrary.wiley.com/termsAndConditions#vor
- DOI
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- 10.1002/anie.201503095
- 公開者
- Wiley
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説明
<jats:title>Abstract</jats:title><jats:p>Metal–organic polyhedra (MOPs) or frameworks (MOFs) based on Cr<jats:sup>3+</jats:sup> are notoriously difficult to synthesize, especially as crystals large enough to be suitable for characterization of the structure or properties. It is now shown that the co‐existence of In<jats:sup>3+</jats:sup> and Cr<jats:sup>3+</jats:sup> induces a rapid crystal growth of large single crystals of heterometallic In‐Cr‐MOPs with the [M<jats:sub>8</jats:sub>L<jats:sub>12</jats:sub>] (M=In/Cr, L=dinegative 4,5‐imidazole‐dicarboxylate) cubane‐like structure. With a high concentration of protons from 12 carboxyl groups decorating every edge of the cube and an extensive H‐bonded network between cubes and surrounding H<jats:sub>2</jats:sub>O molecules, the newly synthesized In‐Cr‐MOPs exhibit an exceptionally high proton conductivity (up to 5.8×10<jats:sup>−2</jats:sup> S cm<jats:sup>−1</jats:sup> at 22.5 °C and 98 % relative humidity, single crystal).</jats:p>
収録刊行物
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- Angewandte Chemie International Edition
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Angewandte Chemie International Edition 54 (27), 7886-7890, 2015-05-15
Wiley