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.

引用

页数：7

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