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Ionic Crystal Structures

Ionic Crystal Structures

Ionic crystals consist of two or more different kinds of ions that usually have different sizes. The packing of these ions into a crystal structure is more complex than the packing of metal atoms that are the same size.
Most monatomic ions behave as charged spheres, and their attraction for ions of opposite charge is the same in every direction. Consequently, stable structures for ionic compounds result (1) when ions of one charge are surrounded by as many ions as possible of the opposite...

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Updated: Sep 13, 2025

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

Published on: March 24, 2018

单个有机阴离子工程 Cu ((I) 基离子和坐标类型化物作为高效水凝闪器.

Tianrui Li¹, Baoling Tang¹, Jiance Jin²

¹Key Laboratory for Biobased Materials and Energy of Ministry of Education, College of Materials and Energy, South China Agricultural University, Guangzhou, 510642, P. R. China.

Advanced materials (Deerfield Beach, Fla.)

|July 31, 2025

概括

新的基于铜的化物闪器,Cu₂I₄-IC和Cu₄I₄-CC,提供了增强的X射线检测. 在Cu₄I₄-CC水凝表现出卓越的性能和灵活性,用于先进的成像应用.

关键词:

铜集群铜集群基于铜的化物闪器水凝闪器的水凝闪器是什么

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相关实验视频

Last Updated: Sep 13, 2025

From Molecules to Materials: Engineering New Ionic Liquid Crystals Through Halogen Bonding

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Published on: March 24, 2018

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科学领域:

材料科学材料科学材料科学
固态化学固态化学
辐射物理学辐射物理学

背景情况:

基于铜的化物闪器显示出对X射线检测的前景.
合理的设计受到缺乏结构与属性相关性的理论框架的阻碍.

研究的目的:

设计基于Cu(I) 的新型混合金属化物,具有受控的结合模式.
调查它们的闪特性和X射线检测和成像的潜力.

主要方法:

设计和合成Cu₂I₄-IC (离子) 和Cu₄I₄-CC (协调) 化合物.
光发光量子收益率 (PLQY),光收益率和检测极限的表征.
开发一个基于Cu₄I₄-CC的闪器水凝,使用PVA,H₂O和DMSO.
评估X射线成像分辨率和水凝膜的机械性能.

主要成果:

Cu₂I₄-IC显示蓝色的发射 (91% PLQY),Cu₄I₄-CC显示黄色的发射 (100% PLQY). 这两种类型的发射是不同的.
Cu₄I₄-CC实现了高光输出率 (67,500光子MeV-1) 和低检测极限 (47.3 nGy s-1).
Cu₄I₄-CC@PVA水凝薄膜 (10 × 10 cm²) 提供14 lp mm^-1分辨率,并表现出极好的可塑性和伸展性.

结论:

结合模式控制工程成功地产生了具有独特排放特性的基于Cu (I) 的化物.
Cu₄I₄-CC@PVA水凝是一种高性能,灵活的闪器,用于先进的X射线成像,即使在恶劣的环境中.