Publication: Pyrene-Containing ortho-Oligo(phenylene)ethynylene Foldamer as a Ratiometric Probe Based on Circularly Polarized Luminescence.
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2018-04-03
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Reiné, Pablo
Justicia, Jose
Morcillo, Sara P
Abbate, Sergio
Vaz, Belen
Ribagorda, María
Orte, Ángel
Álvarez de Cienfuegos, Luis
Longhi, Giovanna
Campaña, Araceli G
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Abstract
In this manuscript, we report the first synthesis of an organic monomolecular emitter, which behaves as a circularly polarized luminescence (CPL)-based ratiometric probe. The enantiopure helical ortho-oligo(phenylene)ethynylene ( o-OPE) core has been prepared by a new and efficient macrocyclization reaction. The combination of such o-OPE helical skeleton and a pyrene couple leads to two different CPL emission features in a single structure whose ratio linearly responds to silver(I) concentration.