Mechanochromic Luminescence of Copper Iodide Clusters

被引：56

作者：

Benito, Quentin ^{[1
]}

Maurin, Isabelle ^{[1
]}

Cheisson, Thibaut ^{[2
]}

Nocton, Gregory ^{[2
]}

Fargues, Alexandre ^{[3
]}

Garcia, Alain ^{[3
]}

Martineau, Charlotte ^{[4
]}

Gacoin, Thierry ^{[1
]}

Boilot, Jean-Pierre ^{[1
]}

Perruchas, Sandrine ^{[1
]}

机构：

[1] Ecole Polytech, Phys Mat Condensee Lab, CNRS, UMR 7643, F-91128 Palaiseau, France

[2] Ecole Polytech, LCM, CNRS, UMR 9168, F-91128 Palaiseau, France

[3] Univ Bordeaux, CNRS, ICMCB, UPR 9048, F-33600 Pessac, France

[4] Univ Versailles St Quentin, CNRS, UMR 8180, Inst Lavoisier Versailles, F-78035 Versailles, France

来源：

CHEMISTRY-A EUROPEAN JOURNAL | 2015年 / 21卷 / 15期

关键词：

cluster compounds; copper; luminescence; polymorphism; X-ray diffraction; MOLECULAR PACKING; THERMOCHROMIC-LUMINESCENCE; PIEZOCHROMIC LUMINESCENCE; CRYSTAL TRANSFORMATION; METAL-COMPLEXES; EMISSION; POLYMORPHISM; PHOSPHORESCENCE; CRYSTALLIZATION; AGGREGATION;

D O I：

10.1002/chem.201500251

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Luminescent mechanochromic materials are particularly appealing for the development of stimuli-responsive materials. Establishing the mechanism responsible for the mechanochromism is always an issue owing to the difficulty in characterizing the ground phase. Herein, the study of real crystalline polymorphs of a mechanochromic and thermochromic luminescent copper iodide cluster permits us to clearly establish the mechanism involved. The local disruption of the crystal packing induces changes in the cluster geometry and in particular the modification of the cuprophilic interactions, which consequently modify the emissive states. This study constitutes a step further toward the understanding of the mechanism involved in the mechanochromic luminescent properties of multimetallic coordination complexes.

引用

页码：5892 / 5897

页数：6

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