Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 25, Issue 27, Pages 6718-6721Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201901345
Keywords
aggregation-induced emission; electrofluorochromism; fluorescence; radicals; triazolines
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Funding
- Ecole Polytechnique Federale de Lausanne (EPFL)
- Swiss National Science Foundation
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Highly substituted Delta(3)-1,2,3-triazolines can be prepared by reaction of triarylvinyl Grignard reagents with functionalized organic azides. The heterocycles are fluorescent in the solid state, and-depending on the substituents- they can display aggregation-induced emission. Upon oxidation, the triazolines form stable radical cations with altered photophysical properties. Therefore, they represent rare examples of solid-state emitters with intrinsic electrofluorochromic behavior.
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