有机电荷转移共晶体的Solvatomechanical曲
Yanqiu Sun1,2, Yilong Lei3, Huanli Dong1
1Beijing National Laboratory for Molecular Sciences, Key Laboratory of Organic Solids, Institute of Chemistry , Chinese Academy of Sciences , Beijing 100190 , China.
Journal of the American Chemical Society
|March 30, 2018
概括
一个新的溶解合晶在溶剂吸收和脱落时表现出三元和二元形式之间的可逆转变. 这种溶剂诱导的结构变化导致宏观的机械曲,是一种新的溶解机械行为.
科学领域:
- 材料科学
- 晶体学
- 超分子化学
背景情况:
- 可通过分子组合提供可调节的特性.
- 溶剂诱导的相变对于响应性材料至关重要.
研究的目的:
- 报告一种新型的三元化和TCNB与THF.
- 证明可逆的溶剂诱导的结构变化和机械曲.
主要方法:
- 结晶合成和表征.
- 溶剂蒸汽吸附/脱吸的研究.
- 在现场进行机械测试和结构分析.
主要成果:
- 合成了一种新的三元化 (烯-TCNB) ·2THF共晶体.
- 在THF交换时,三元和二元烯-TCNB共晶体之间的可逆转化.
- 在多次溶剂刺激后观察到的宏观机械曲.
结论:
- 溶剂诱导的机械曲是由分子层面的结构变化驱动的.
- 这项研究揭示了共晶体中的新型溶解机械曲行为.
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