Unique Piezochromic Fluorescence Behavior of Dicyanodistyrylbenzene Based Donor-Acceptor-Donor Triad: Mechanically Controlled Photo-Induced Electron Transfer (eT) in Molecular Assemblies

被引：216
|
作者：
Kwon, Min Sang [1 ,2 ]
Gierschner, Johannes [3 ]
Yoon, Seong-Jun [1 ,2 ]
Park, Soo Young [1 ,2 ]
机构：
[1] Seoul Natl Univ, Ctr Supramol Optoelect Mat, Seoul 151744, South Korea
[2] Seoul Natl Univ, WCU Hybrid Mat Program, Dept Mat Sci & Engn, Seoul 151744, South Korea
[3] Madrid Inst Adv Studies, IMDEA Nanosci, Madrid 28049, Spain
来源：
ADVANCED MATERIALS | 2012年 / 24卷 / 40期
基金：
新加坡国家研究基金会;
关键词：
piezochromism; photo-induced electron transfer; donor-acceptor; self assembly; AGGREGATION-INDUCED-EMISSION; LUMINESCENCE; MOIETIES; COLOR;
D O I：
10.1002/adma.201202409
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel donor-acceptor-donor triad that exhibits fluorescence on-off switching with high contrast ratio (ca. 103) in response to a mechanical stimulus in the solid state is reported. This system provides a very unique example of high-contrast fluorescence switching that is driven by a mechanical-force-controlled photo-induced electron transfer (eT) in molecular assemblies. Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
引用
收藏
页码：5487 / 5492
页数：6
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