Preparation and Luminescence Thermochromism of Tetranuclear Copper(I)-Pyridine-Iodide Clusters

被引:34
作者
Parmeggiani, Fabio [1 ]
Sacchetti, Alessandro [1 ]
机构
[1] Politecn Milan, Dept Chem Mat & Chem Engn G Natta, I-20131 Milan, Italy
关键词
Upper-Division Undergraduate; Inorganic Chemistry; Laboratory Instruction; Hands-On Learning/Manipulatives; Coordination Compounds; Fluorescence Spectroscopy; Physical Properties; Synthesis; Transition Elements; UV-Vis Spectroscopy; PHOTOLUMINESCENCE PROPERTIES; FLUORESCENCE THERMOCHROMISM; PHOTOPHYSICAL PROPERTIES; AB-INITIO; COPPER(I); IODIDE; COMPLEXES; PYRIDINE; EMISSION;
D O I
10.1021/ed200736b
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
A simple and straightforward synthesis of a tetranuclear copper(I) pyridine iodide cluster is described as a laboratory experiment for advanced inorganic chemistry undergraduate students. The product is used to demonstrate the fascinating and visually impressive phenomenon of luminescence thermochromism: exposed to long-wave UV light, the crystalline solid shows a bright yellow fluorescence at room temperature and an equally intense blue-violet fluorescence when cooled in liquid nitrogen. The procedure was also extended to several other pyridine ligands to allow students to synthesize different clusters and compare their photophysical behavior.
引用
收藏
页码:946 / 949
页数:4
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