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Issue 99, 2019
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Halogenated tetraphenylethene with enhanced aggregation-induced emission: an anomalous anti-heavy-atom effect and self-reversible mechanochromism

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Abstract

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.

Graphical abstract: Halogenated tetraphenylethene with enhanced aggregation-induced emission: an anomalous anti-heavy-atom effect and self-reversible mechanochromism

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Publication details

The article was received on 10 Sep 2019, accepted on 12 Nov 2019 and first published on 12 Nov 2019


Article type: Communication
DOI: 10.1039/C9CC07045A
Chem. Commun., 2019,55, 14938-14941

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    Halogenated tetraphenylethene with enhanced aggregation-induced emission: an anomalous anti-heavy-atom effect and self-reversible mechanochromism

    P. Xu, Q. Qiu, X. Ye, M. Wei, W. Xi, H. Feng and Z. Qian, Chem. Commun., 2019, 55, 14938
    DOI: 10.1039/C9CC07045A

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