期刊
CHINESE JOURNAL OF CHEMISTRY
卷 31, 期 11, 页码 1418-1422出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cjoc.201300583
关键词
organic fluorescent molecule; high solid state luminescent efficiency; stimuli-response
资金
- 973 Program [2013CB 834702]
- National Natural Science Foundation of China [21074045, 21204027, 21221063]
- Research Fund for the Doctoral Program of Higher Education of China [20120061120016]
- Project of Jilin Province [20100704]
A novel organic fluorophor with high solid state luminescent efficiency based on 1,4-bis(2,2-di(pyridin-2-yl)vinyl)benzene (BDP2VB) was designed and synthesized. It emits faintly in solution, but becomes a strong emitter in the aggregate state, demonstrating its aggregation induced emission (AIE) property. According to the crystal structure analysis, J-type aggregation was formed in the packing mode of the molecule, which was demonstrated to be beneficial to gain high fluorescent quantum efficiency in solid state. Additionally, the emission color of BDP2VB can change dramatically in solid state as well as in solution by the protonation stimuli.
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