Aggregation-amplified circularly polarized luminescence from axial chiral boron difluoride complexes

被引：0
|
作者：
Zhiyong Jiang [1 ]
Xiaoqing Wang [2 ]
Jianping Ma [3 ]
Zhipeng Liu [1 ]
机构：
[1] Key Laboratory of Flexible Electronics, Institute of Advanced Materials, Nanjing Tech University
[2] Institute of Advanced Synthesis, School of Chemistry and Molecular Engineering, Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University
[3] School of Chemistry & Cheimcal Engineering and Materials Science, Shandong Normal
来源：
Science China(Chemistry) | 2019年 / 62卷 / 03期
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中图分类号：
O641.4 [络合物化学（配位化学）];
学科分类号：
摘要：
The development of small organic molecules with intense and switchable circularly polarized luminescence（CPL） is currently attracting great interest due to their promising applications in chiroptical devices and sensors. In this paper, CPL-active BF2-bridged azaanthracene dimers（BA1 and BA2） were facilely synthesized by incorporating boron difluoride unit to the binaphthalene. BA1 and BA2 show moderate CPL in diluted solutions, however, BA2 exhibited aggregation-amplified red CPL with large dissymmetry factor up to 1.6×10-2. Moreover, acid-/base-triggered CPL switch off/on were also realized via disaggregation/aggregation of BA2 in tetrahydrofuran（THF）/water binary solvents.
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页码：355 / 362
页数：8
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