Dynamic Tuning of Photoluminescent Dyes in Crystalline Colloidal Arrays

Dynamic Tuning of Photoluminescent Dyes in Crystalline Colloidal Arrays

Real‐time tuning of the emission characteristics of a dye encapsulated in a colloidal crystal through in‐situ modification of the rejection wavelength is demonstrated. Mechanochromic tuning is used to modify the emission spectra of hydrogel‐encapsulated crystalline colloidal arrays composed of elect...

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Veröffentlicht in:Advanced materials (Weinheim) 2005-10, Vol.17 (19), p.2344-2349
Hauptverfasser: Lawrence, J. R., Shim, G. H., Jiang, P., Han, M. G., Ying, Y., Foulger, S. H.
Format: Artikel
Sprache:eng
Schlagworte:
colloidal
Colloidal crystals
dyes
Hydrogels
Mechanochromic materials
Photoluminescent materials
Photoluminescent materials, dyes
Photonic crystals
Photonic crystals, colloidal
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Zusammenfassung:Real‐time tuning of the emission characteristics of a dye encapsulated in a colloidal crystal through in‐situ modification of the rejection wavelength is demonstrated. Mechanochromic tuning is used to modify the emission spectra of hydrogel‐encapsulated crystalline colloidal arrays composed of electrostatically self‐assembled monodisperse polystyrene particles coated with the photoluminescent dye Rhodamine‐B, as shown in the Figure.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200500617