Fluorescence patterning with mild illumination in polymer films of photocleavable oxazines

Fluorescence patterning with mild illumination in polymer films of photocleavable oxazines

The photoinduced cleavage of oxazine heterocycles, connected to macromolecules spin coated on appropriate substrates, occurs efficiently and irreversibly. The products of this photochemical transformation quench effectively the fluorescence of borondipyrromethene (BODIPY) dopants and turn off their...

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Veröffentlicht in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2017, Vol.5 (5), p.1179-1183
Hauptverfasser: Thapaliya, Ek Raj, Zhang, Yang, Raymo, Françisco M.
Format: Artikel
Sprache:eng
Schlagworte:
Bleaching
Cleavage
Electron spin
Emission
Fluorescence
Illumination
Patterning
Transformations
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Beschreibung
Zusammenfassung:The photoinduced cleavage of oxazine heterocycles, connected to macromolecules spin coated on appropriate substrates, occurs efficiently and irreversibly. The products of this photochemical transformation quench effectively the fluorescence of borondipyrromethene (BODIPY) dopants and turn off their emission. This protocol permits the optical imprinting of fluorescent patterns under mild illumination conditions that are impossible to replicate with methods solely based on bleaching.
ISSN:2050-7526
2050-7534
DOI:10.1039/C6TC05532J