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説明:

Liquid states in coordination polymers (CPs) and metal-organic frameworks (MOFs) are typically considered transient intermediates in the crystal-to-glass transformations of organic–inorganic hybrid materials. However, their potential as functional materials has remained largely unexplored. Inspired by the unique properties of ionic liquids, organic liquids, and liquid metals, we explore liquid CPs as a platform for novel functionalities distinct from those of their crystalline and glass counterparts. Here, we present a strategy to achieve functional liquid CPs near ambient conditions by introducing H3PO4 as a network modifier, shifting compositions away from stoichiometric ratios. This process disrupts extended coordination networks during melting, producing a stable liquid state. By tuning the ratio of network modifiers, we achieve control over liquid properties, including anhydrous proton conductivity up to 27 mS cm−1 at 353 K and viscosities ranging from 18.8 to 10^5.9 Pa·s at 303 K. These findings demonstrate the transformative potential of liquid CPs, introducing them as a new platform for designing liquid conductors.

権利情報:

• Creative Commons BY-NC Attribution-NonCommercial 4.0 International
  

キーワード: amorphous materials, coordination polymers, liquids, network modifiers, proton conductivities

刊行年月日: 2025-07-21

出版者: Wiley

掲載誌:

• ANGEWANDTE CHEMIE-INTERNATIONAL EDITION (ISSN: 15213773) vol. 64 issue. 30

研究助成金:

• Japan Society for the Promotion of Science JP24K23109
• Japan Society for the Promotion of Science JP25K18055
• National Institute for Materials Science
• Sumitomo Foundation 2402150

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1002/anie.202504618

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更新時刻: 2025-07-23 12:30:26 +0900

MDRでの公開時刻: 2025-07-23 12:18:45 +0900