Journal
CHEMICAL COMMUNICATIONS
Volume 55, Issue 99, Pages 14938-14941Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9cc07045a
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Funding
- Natural Science Foundation of China [21675143, 21775139]
- Zhejiang Province [LR18R050001, LY17B050003]
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Halogenated tetraphenylethene derivatives show a unique anti-heavy-atom effect where introducing heavy halogens like bromine greatly improves the fluorescence quantum yield upon aggregation, contrary to the classic heavy-atom effect. The unique self-reversible mechanochromism of brominated TPE is attributed to re-generation of halogen-halogen bonding after its breakage.
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