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Lo, K.-H., Li, M.-C., Ho, R.-M., Zhao, Y.-C., Massuyeau, F., Chuang, W.-T., Duvail, J.-L., Lefrant, S. & Hsu, C.-S. (2013) Luminescence Enhancement of Pyrene/Dispersant Nanoarrays Driven by the Nanoscale Spatial Effect on Mixing. Langmuir, 29 1627–1633. 
Added by: Laurent Cournède (2016-03-10 21:23:31)
Type de référence: Article
DOI: 10.1021/la3044076
Numéro d'identification (ISBN etc.): 0743-7463
Clé BibTeX: Lo2013
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Catégories: PMN
Mots-clés: block-copolymers, copolymer thin-films, excimer fluorescence, fluorescence-spectra, glass-transition, hydrogen-bond, microdomain orientation, polymer-films, pyrene, to-end cyclization
Créateurs: Chuang, Duvail, Ho, Hsu, Lefrant, Li, Lo, Massuyeau, Zhao
Collection: Langmuir
Consultations : 2/365
Indice de consultation : 2%
Indice de popularité : 0.5%
Résumé     
This work presents a simple method to generate ordered chromophore/dispersant nanoarrays through a pore-filling process for a nanoporous polymer template to enhance chromophore luminescence. Fluorescence results combining with the morphological evolution examined by scanning probe microscopy reveal that the enhanced luminescence intensity reaches the maximum intensity as the nanopores of the template are completely filled by the chromophore/dispersant mixture. The variation is attributed to nanoscale spatial effect on the enhanced mixing efficiency of chromophore and dispersant, that is, the alleviation of self-quenching problem, as evidenced by the results of attenuated total reflection Fourier transform IR spectroscopy combining with grazing incident wide-angle X-ray diffraction. The enhanced luminescence of the chromophore/dispersant nanoarrays driven by the nanoscale spatial effect is highly promising for use in designing luminescent nanodevices.
Added by: Laurent Cournède  
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