在由发光单核 (III) 复合体组成的分子晶体中,溶剂蒸汽反应的结构转化
Fumiya Kobayashi1, Azuki Yoshida1, Misato Gemba1
1Department of Chemistry, Faculty of Science, Tokyo University of Science, 1-3, Kagurazaka, Shinjuku-ku, Tokyo 162-8601, Japan.
Dalton transactions (Cambridge, England : 2003)
|June 7, 2024
概括
研究人员使用发光 (III) 复合体开发了新的分子晶体. 这些晶体在对溶剂蒸气的反应中表现出可逆的结构变化,对先进的传感器和记忆器件显示出希望.
科学领域:
- 材料科学 材料科学 材料科学
- 晶体学 晶体学是指结晶学.
- 超分子化学 超分子化学
背景情况:
- 功能分子晶体对于开发先进的传感器和记忆器件至关重要.
- 从离散的单核复合体中开发出分子晶体,这些晶体在客分子吸附/溶解时发生变化,这是一项挑战.
- 目前对这种刺激响应分子晶体的研究是有限的.
研究的目的:
- 合成基于单核 (III) 复合物的新型分子晶体.
- 为了研究这些晶体的溶剂蒸汽响应结构转变.
- 探索它们作为功能材料的构建块的潜力.
主要方法:
- 三个分子晶体的合成:[ () () (H2O) ]·[ () (Me2CO) ],[ () () (H2O) ]·[ () (MeCN) ]和[ () () (H2O) ]·[ () (DMSO) ]).
- 合成晶体暴露于各种溶剂蒸气 (Me2CO,MeCN,DMSO) 的情况.
- 使用X射线衍射和其他分析技术对结构变化的表征.
主要成果:
- 在溶剂蒸汽吸附/脱附后,在Al·Me2CO和Al·MeCN中证明了可逆的晶体对晶体的结构转化.
- 在接触DMSO蒸汽时观察到Al·DMSO的不可逆转的结构转变,形成DMSO协调化合物.
- 使用发光单核 (III) 复合物作为孔状框架内的建筑单元.
结论:
- 成功合成了具有溶剂蒸汽反应性能的新功能分子材料.
- 通过结识别了潜在的分子构建单元,用于通过结固定客体.
- 突出了这些材料在传感器和内存设备中的应用潜力.
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