双发射黄金 (I) -硫化物集群框架 能够在固态中进行-环分离,并伴随着发光色变化
Liao-Yuan Yao1, Vivian Wing-Wah Yam1
1Institute of Molecular Functional Materials, State Key Laboratory of Synthetic Chemistry and Department of Chemistry, The University of Hong Kong, Pokfulam Road, Hong Kong, P.R. China.
Journal of the American Chemical Society
|February 3, 2021
概括
一个新型的黄金-硫化集成框架表现出双绿色和红色发光,并选择性地将从环中分离出来. 这种发光材料显示出先进的分离技术的前景.
科学领域:
- 无机化学
- 材料科学
- 超分子化学
背景情况:
- 黄金 (I) 复合物以其多样化的结构和发光特性而闻名.
- 硫酸可以稳定多核黄金集群.
- 选择性封装和分离的功能材料的开发是一个活跃的研究领域.
研究的目的:
- 合成和描述具有潜在发光和分离能力的无核黄金-硫化物复合物.
- 研究合成黄金集群框架的结构性,发光性和结合性.
- 评估材料在和环的选择性分离中的性能.
主要方法:
- 通过涉及点击化学和H2S的多步反应,合成一种非核金-硫化物复合物,[LH) 4Au10S4]Cl2.
- 单晶X射线衍射 (SCXRD) 用于结构的确定.
- 发光光谱用于研究固态辐射和溶色.
- 单晶转化为单晶 (SCSC) 的研究,用于客体封装.
- 和环素分离的选择性测试
主要成果:
- 一个稳定的无核黄金-硫化集群框架已成功合成和表征.
- 在固体状态下,该复合体呈现出明亮的双绿色和红色发光.
- 该框架表现出高稳定性和通过SCSC转化封装和环等溶剂分子的能力.
- 在和环素的存在下观察到显著的溶色发光.
- 由于格子封闭,从-环混合物中获得高选择性 (> 95%).
结论:
- 合成的黄金-硫化集群框架具有独特的发光特性和选择性结合能力.
- 这种材料具有显著的潜力作为一种用于分离芳和酸碳化合物的发光功能材料.
- 这项研究强调了黄金硫化集群在设计用于分离应用的先进材料中的有用性.
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