Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 25, Issue 2, Pages 469-473Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201804393
Keywords
aggregation-induced emission; halogen; mechanochromism; symmetric squarylium dyes; vapochromism
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Funding
- National Natural Science Foundation of China [51522303, 21602154]
- National Key Research and Development Program of China [2017YFA0207500]
- Natural Science Foundation of Tianjin [17JCJQJC44600]
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A series of symmetric squarylium dyes (SQDPA-X) with different halogen (X=F, Cl, Br, I) substituents have been developed. The photophysical properties could be facilely tuned by the halogen modulation effects. The strategy of incorporating different halogen substitutions into AIE active luminogens enables a facile approach for exploring new intriguing organic fluorescent dyes.
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