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Título

Unprecedented J-Aggregated Dyes in Pure Organic Solvents

AutorManzano, Hegoi; Esnal, Ixone; Marques-Matesanz, Tamara; Bañuelos Prieto, Jorge; López- Arbeloa, Iñigo; Ortiz, María José; Cerdán, L. ; Costela, A. ; Garcia-Moreno, I. ; Chiara, José Luis
Palabras clavefluorescent dyes
J-aggregates
BODIPY dyes
lasers
atomistic simulations
Fecha de publicación2016
EditorJohn Wiley & Sons
CitaciónAdvanced Functional Materials (2016)
ResumenWe describe the design and synthesis of the first organic dyes enabling spontaneous formation of stable J-aggregates in common organic solvents without additives. The new dyes are O-BODIPYs with a B-spiranic 4,4-diacyloxyl substitution pattern. Key to the effectiveness of the J-aggregation process is the high conformational rigidity of the Bspiranic molecular design as well as the orthogonal disposition of the B-diacyloxyl substituent and the meso-aryl group with respect to the mean plane of the borodiazaindacene. Atomistic simulations, both in vacuum and in a solvent cage, support the dynamics of the J-aggregation process as well as its dependence on the alkylation pattern of the BODIPY chromophore. A detailed analysis of the photophysical and laser properties of the new dyes provides convincing evidence for the unambiguous assignment of these J-aggregates and their dependence on the environmental conditions.
Versión del editorhttp://dx.doi.org/10.1002/adfm.201505051
URIhttp://hdl.handle.net/10261/131335
DOI10.1002/adfm.201505051
E-ISSN1616-3028
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