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Structure-activity relationship for the solid state emission of a new family of "push-pull"π-extended chromophores
Andrea Nitti1, Francesca Villafiorita-Monteleone, Aurora Pacini
1Department of Chemistry and INSTM Research Unit, University of Pavia, Viale Taramelli, 10, 27100 Pavia, Italy. dario.pasini@unipv.it.
Abstract:
We report the design, synthesis, molecular optical properties, and solid state emissive behaviour of a series of novel compounds, which, similar to the archetypal AIE luminogen tetraphenylethene, are formed of a central olefin stator and decorated with either three or four rotors. These rotors, being either electron-rich substituted benzenes, or electron-withdrawing functional groups (esters, ketones, cyano groups) confer a "push-pull" character to the overall molecular structure. Building on both new and already published contributions, a comprehensive picture of the properties and the potential of these compounds is provided.
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