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Título: | 3D photonic crystals from highly monodisperse FRET-based red luminescent PMMA spheres |
Autor: | Galisteo-López, Juan F.; Ibisate, M. CSIC; Muñoz, A. CSIC; López, Cefe CSIC ORCID | Fecha de publicación: | 2015 | Editor: | Royal Society of Chemistry (UK) | Citación: | Journal of Materials Chemistry C 3: 3999- 4006 (2015) | Resumen: | © The Royal Society of Chemistry 2015. Red-luminescent PMMA spheres containing a Förster resonance energy transfer (FRET) pair were synthesized via a two-step polymerization method. Two reaction parameters, time and monomer volume, are scanned in order to tune the sphere diameter in the 250-500 nm range. Further the polydispersity of the spheres is kept low, at ca. 3%, regardless of sphere diameter or dye concentration. A thorough optical characterization via spectroscopy and time resolved measurements shows a FRET efficiency of over 40% before concentration quenching effects take place, allowing for a precise tuning of their emission in the red region of the visible spectrum. The high quality of these spheres makes them suitable to fabricate self-assembled 3D photonic crystals which act as photonic environment to modify the spectral properties of the FRET pair via Bragg diffraction. This journal is | URI: | http://hdl.handle.net/10261/114543 | DOI: | 10.1039/c5tc00528k | Identificadores: | doi: 10.1039/c5tc00528k issn: 2050-7526 |
Aparece en las colecciones: | (ICMS) Artículos |
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Galisteo-Lopez_3D Photonic Crystals from highly monodisperse FRET.pdf | 2,01 MB | Adobe PDF | Visualizar/Abrir |
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