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Rational molecular design enhancing the photonic performance of red-emitting perylene bisimide dyes

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2017-04-25
Authors
Avellanal Zaballa, Edurne
Durán Sampedro, Gonzalo
García Moreno, Inmaculada
López Arbeloa, Íñigo María
Bañuelos Prieto, Jorge
Ortíz García, María Josefa
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Royal Society of Chemistry
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Abstract
We report the synthesis of novel multichromophoric organic architectures, where perylene red is decorated with BODIPY and/or hydroxycoumarin dyes acting as light harvesters and energy donors. The computationally-aided photophysical study of these molecular assemblies reveals a broadband absorption which, regardless of the excitation wavelength, leads solely to a bright red-edge emission from perylene bisimide after efficient intramolecular energy transfer hops. The increase of the absorbance of these molecular antennas at key pumping wavelengths enhances the laser action of the commercial perylene red. The herein applied strategy based on energy transfer dye lasers should boost the use of perylene-based dyes as active media for red-emitting lasers.
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The article was received on 14 Mar 2017, accepted on 25 Apr 2017 and first published on 25 Apr 2017
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