期刊
CHEMICAL COMMUNICATIONS
卷 56, 期 94, 页码 14853-14856出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc06411d
关键词
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资金
- Australian Research Council [DE170100058]
- Rebecca L. Cooper Medical Research Foundation [PG2018043]
- Australia-China Science and Research Fund-Joint Research Centre for Personal Health Technologies [ACSRF65777]
- WWHW (Australian Research Council) [CE170100026]
- Australian Research Council [DE170100058] Funding Source: Australian Research Council
Molecular rotors exhibit fluorescence enhancement in a confined environment and thus have been used extensively in biological imaging. However, many molecular rotors suffer from small Stokes shift and self-aggregation caused quenching. In this work, we have synthesised a series of red emissive molecular rotors based on cationic alpha-cyanostilbene. Profoundly enhanced aggregation-induced emission (AIE) properties and greatly widened Stokes shifts can be achieved by molecular engineering. With specificity to stain mitochondria, we demonstrate a simple approach to achieve cell uptake and retention upon tuning the pyridinium substituent of the dyes.
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