纳弗[4]烯:在可调色超分子晶体组件中的合成,构造和应用
Meng-Jie Gu1,2, Xiao-Ni Han1, Wei-Chen Guo1,2
1Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
Angewandte Chemie (International ed. in English)
|June 2, 2023
概括
研究人员合成了纳[4] (NA[4]A),一种新型的宏环,并与TCNB.产生了依赖于形状的发光联合组件. 这些组件表现出可调节的光和两光子发射,推进宏循环化学.
科学领域:
- 超分子化学 超分子化学
- 有机合成 有机合成
- 材料科学 材料科学 材料科学
背景情况:
- 宏环亚烯化学正在进步,但从非功能化的芳香环中合成新的宏环仍然很困难.
- 开发具有可调节性质的新型宏循环结构对于先进材料至关重要.
研究的目的:
- 从纳单元合成一个新的宏环烯,纳[4]烯 (NA[4]A).
- 探索使用NA[4]A和1,2,4,5-四亚烯 (TCNB) 选择性形成依赖形状的发光联合组件.
主要方法:
- 通过从宏循环转化为宏循环的合成纳[4] (NA[4]A).
- 在各种条件下通过超分子联合组合选择性地制备晶体联合组合 (1,2-NTC和1,3-NTC).
- 光发光性质的表征,包括量子产量和两个光子激发的上转换辐射.
主要成果:
- NA[4]A已成功合成,并表现出不同的1,3-替代和1,2-替代构造.
- 选择性地准备了两个依赖于形状的晶体发光联合组件1,2-NTC和1,3-NTC.
- 联合组件显示明亮的黄色和绿色光,具有高光发光量子产量 (45%和43%) 并显示可调色的两光子激发上转换发射.
结论:
- 这项研究提出了一条新的合成途径,以获得宏环,并证明了依赖于形状的发光材料的形成.
- 具有可调节光学特性的联合组件的选择性合成突出了NA[4]A在先进的功能材料中的潜力.
- 这项工作有助于理解宏循环超分子组合中的结构属性关系.
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