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Piezochromic Luminescence Based on the Molecular Aggregation of 9,10‐Bis(( E )‐2‐(pyrid‐2‐yl)vinyl)anthracene

2012; Wiley; Volume: 51; Issue: 43 Linguagem: Inglês

10.1002/anie.201204660

1521-3773

Yujie Dong, Bin Xu, Jibo Zhang, Xiao Tan, Lijuan Wang, Jinlong Chen, Hongguang Lv, Shanpeng Wen, Bao Li, Ling Ye, Bo Zou, Wenjing Tian,

Photochromic and Fluorescence Chemistry

A chameleon under pressure: The observed piezochromic behavior of the title compound (BP2VA) was found to depend on its molecular aggregation state and specifically on the strength of the π–π interaction between the anthracene rings of adjacent molecules. When BP2VA is ground or placed under pressure, its molecular aggregation state changes, and a red shift in the fluorescence emission from green via orange to red occurs (see picture). Detailed facts of importance to specialist readers are published as "Supporting Information". Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.