在Zn/Cd中的带驱动的开启光:通过聚合诱导机制增强排放
Xiao-Qian Lin1,2,3, Xin Zhang1, Jin-Xia Yang1
1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, P. R. China.
Inorganic chemistry
|July 31, 2025
概括
灵活的辅助连接物和刚性连接物产生各种Zn/Cd (II) 协调聚合物,具有可调节的结构和发光. 化合物3显示由于聚合诱导排放 (AIE) 的增强排放.
科学领域:
- 材料科学 材料科学 材料科学
- 无机化学 无机化学 有机化学
- 超分子化学 超分子化学
背景情况:
- 协调聚合物 (CP) 是具有可调节结构和特性的先进材料.
- 对CP的合理设计需要了解有机链接剂和金属离子之间的相互作用.
- 灵活的辅助连接物为控制CP的拓和功能提供了一个策略.
研究的目的:
- 研究柔性辅助连接体对Zn/Cd (II) 协调聚合物的结构的影响.
- 通过使用H2IDPA和各种辅助配体,合成和表征新的协调聚合物.
- 探索由此产生的材料的结构多样性和发光特性.
主要方法:
- 5种新的Zn/Cd (II) 协调聚合物的水热合成.
- 单晶X射线衍射用于结构分析.
- 粉末X射线衍射,热重力测量分析和光发光谱学用于表征.
主要成果:
- 成功合成了五种新的协调聚合物 ([Cd2(IDPA) 2 (((bpa) 2 (((H2O) 2 ((n·2n)) H2O),[Cd(IDPA) 2 (((bpe) 1 (((H2O) 1 ((n·n)) H2O,[Zn (((IDPA) 2 (((bpa) 5 ((n)) H2O,[Zn ((IDPA) 1 ((bpe) 2)) n,和[Zn ((IDPA) 2 (((bpp)) n·n)) H2O).
- 观察到多种网络拓,包括2D层 (sql) 和3D框架 (4·6·8}{4·62·83},dia),受辅助连接体灵活性的影响.
- 光发光研究显示紫色到绿色的排放,而化合物3显示出增强的量子产量 (14.21%) 归因于聚合诱导排放 (AIE).
- 所有合成的化合物在去除溶剂后都表现出优异的结构稳定性.
结论:
- 灵活的辅助配体在指导 Zn/Cd (II) 协调聚合物的拓学方面发挥着至关重要的作用.
- 柔性连接体和刚性连接体的组合是一种有效的策略,用于调整框架结构和发光特性.
- 这些发现促进了新型功能发光材料的合理设计.
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