Aggregation induced emission enhancement and chromism properties of a vinyl bridged naphthalene diimide dimer

被引：6
|
作者：
Long, Haijun [1 ,2 ,3 ]
Guo, De [1 ]
Wang, Liyuan [3 ]
Liu, Zitong [4 ]
Li, Shayu [3 ]
Liang, Xianfeng [1 ]
Chen, Yanlin [3 ]
Yang, Zhiwei [1 ]
Li, Jing [1 ]
Dong, Lichun [3 ]
Tan, Luxi [3 ]
机构：
[1] Chinese Acad Sci, Chongqing Inst Green & Intelligent Technol, Chongqing 400714, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100049, Peoples R China
[3] Chongqing Univ, Sch Chem & Chem Engn, Chongqing 401331, Peoples R China
[4] Lanzhou Univ, Coll Chem & Chem Engn, State Key Lab Appl & Organ Chem, Lanzhou 730000, Peoples R China
来源：
DYES AND PIGMENTS | 2022年 / 203卷
基金：
中国国家自然科学基金;
关键词：
Aggregation-induced emission enhancement (AIEE); Aggregation induced fluorescence chromism (AIC); J; -aggregation; Bio-imaging; BASIS-SETS; FLUORESCENCE; DESIGN; PROBES;
D O I：
10.1016/j.dyepig.2022.110330
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
A vinyl bridged 1,4,5,8-Naphthalenetetracarboxylic diimide (NDI) dimer, DNV was synthesized, which exhibits relatively strong Aggregation Induced Emission Enhancement (AIEE) behaviour with absolute quantum yield of 13.6%, as well as wide Aggregation Induced Chromism (AIC) phenomenon (over 100 nm), from green to orange emission. The density functional theory (DFT) and coupled cluster calculations reveal a unique twisted packing mode of DNV in its aggregated state, and mild intermolecular CT between the stacked DNV molecules was also observed. This J-aggregation like molecular arrangement and the net CT might contribute to the long wavelength emission. The bio-imaging capability of DNV is also examined by a living cell experiment.
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收藏
页数：7
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