Polymorphism and Reversible Mechanochromic Luminescence for Solid-State Difluoroboron Avobenzone

被引：757

作者：

Zhang, Guoqing ^{[1
]}

Lu, Jiwei ^{[2
]}

Sabat, Michal ^{[1
]}

Fraser, Cassandra L. ^{[1
]}

机构：

[1] Univ Virginia, Dept Chem, Charlottesville, VA 22904 USA

[2] Univ Virginia, Dept Mat Sci & Engn, Charlottesville, VA 22904 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2010年 / 132卷 / 07期

基金：

美国国家科学基金会;

关键词：

CENTER-DOT-F; PHOTOLUMINESCENCE PROPERTIES; MOLECULAR PACKING; FLUORESCENCE; CRYSTALS; ASSEMBLIES; COMPLEXES; EMISSION; PLATINUM(II); DIFLUORIDES;

D O I：

10.1021/ja9097719

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Difluoroboron avobenzone (BF(2)AVB), a simple boron complex of a commercial sunscreen product, exhibits morphology-dependent emission and mechanochromic the solid state. When scratched. smeared, or even gently touched, the emission color of BF(2)AVB films is significantly red-shifted Under UV excitation. In the rubbed regions, the florescence recovers slowly at room temperature Or much Faster with heating, resulting in a simple rewritable "scratch the surface" ink of potential commercial use.

引用

页码：2160 / +

页数：5

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