从二级组参与 (SGP) 在协调网络中的白光发射和第二波生成
Jun He1, Matthias Zeller, Allen D Hunter
1Department of Biology and Chemistry, City University of Hong Kong, 83 Tat Chee Avenue, Kowloon, Hong Kong, China.
Journal of the American Chemical Society
|January 13, 2012
概括
研究人员开发了一种新的白色发射协调网络,用于照明. 通过修改分子构成块的二次组,他们实现了明亮的白光发射,并增强了固态材料中的非线性光学特性.
科学领域:
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
- 协调化学 协调化学
背景情况:
- 开发新的固态材料,用于诸如照明和非线性光学等先进应用,至关重要.
- 协调网络通过仔细选择有机链接物和金属离子,提供可调节的结构和特性.
- 将有机链接器与二次组功能化提供了一个微调框架属性的策略.
研究的目的:
- 设计和合成新的白色发射协调网络固体.
- 调查二次组对的结构和光发光特性的影响 (II) 协调网络.
- 探索这些材料在白色照明和非线性光学应用中的潜力.
主要方法:
- 合成功能化的1,4-二碳酸连接体 (L1和L2) 与二次和基基组.
- 结晶 (II) 协调网络 (PbL1和PbL2) 使用这些连接体.
- 由此产生的协调网络的晶体结构和光发光特性的表征.
- 评估第二波生成 (SHG) 属性.
主要成果:
- 两个拓上相似的3D协调网络,PbL1和PbL2,已成功合成.
- PbL1表现出黄色绿色的光发光,而PbL2则显示出明亮的白色辐射.
- 由于PbL2中的基二次基的微妙结构变化,显著增强了白光发射.
- 由于PbL2的同体性侧组,PbL2表现出显著的第二波生成 (SHG).
结论:
- 二级组参与 (SGP) 是设计功能固态协调网络材料的有效策略.
- 结合特定的二次组可以精确调整协调网络的光发光和非线性光学特性.
- 这项工作为开发用于白色照明和光学应用的先进材料提供了有前途的方法.
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