Circularly Polarized Luminescence by Visible-Light Absorption in a Chiral O-BODIPY Dye: Unprecedented Design of CPL Organic Molecules from Achiral Chromophores

Circularly polarized luminescence (CPL) in simple (small, nonaggregated, nonpolymeric) O-BODIPYs(R)-1 and (S)-1 by irradiation with visible light is first detected as proof of the ability of a new structural design to achieve CPL from inherently achiral monochromophore systems in simple organic mole...

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Bibliographic Details
Authors: Márquez Sánchez-Carnerero, Esther María, Moreno Jiménez, Florencio, Lora Maroto, Beatriz, Rodríguez Agarrabeitia, Antonia, Ortiz García, María Josefa, Vo, Bryan G., Muller, Gilles, Moya Cerero, Santiago de la
Format: article
Publication Date:2014
Country:España
Institution:Universidad Complutense de Madrid (UCM)
Repository:Docta Complutense
Language:English
OAI Identifier:oai:docta.ucm.es:20.500.14352/34480
Online Access:https://hdl.handle.net/20.500.14352/34480
Access Level:Open access
Keyword:543.544
537.867
543.426
Chromophores
Dyes and pigments
Luminescence
Organic compounds
Vinyl
Optica (Química)
Química orgánica (Química)
Materiales ópticos
2306 Química Orgánica
2209.14 Propiedad ópticas de los sólidos
Description
Summary:Circularly polarized luminescence (CPL) in simple (small, nonaggregated, nonpolymeric) O-BODIPYs(R)-1 and (S)-1 by irradiation with visible light is first detected as proof of the ability of a new structural design to achieve CPL from inherently achiral monochromophore systems in simple organic molecules. The measured level of CPL (|glum|) in solution falls into the usual range of that obtained from other simple organic molecules (10−5−10−2range), but the latter having more complex architectures since axially chiral chromophores or multichromophore systems are usually required. The new design is based on chirally perturbing the acting achiral chromophore by orthogonally tethering a single axially chiral 1,1′-binaphtyl moiety to it. The latter does not participate as a chromophore in the light-absorption/emission phenom-enon. This simple design opens up new perspectives for the future development of new small-sized CPL organic dyes (e.g., those based on other highly luminescent achiral chromophores and/or chirally perturbing moieties), as well as for the improvement of the CPL properties of the organic molecules spanning their use in photonic applications.

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