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Highly photoluminescent and photostable CdSe quantum dot–nylon hybrid composites for efficient light conversion applications

Yuan, Ying ; Riehle, Frank-Stefan ; Nitschke, Roland ; Krüger, Michael

Materials science & engineering. B, Solid-state materials for advanced technology, 2012-02, Vol.177 (2), p.245-250 [Revista revisada por pares]

Elsevier B.V

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  • Título:
    Highly photoluminescent and photostable CdSe quantum dot–nylon hybrid composites for efficient light conversion applications
  • Autor: Yuan, Ying ; Riehle, Frank-Stefan ; Nitschke, Roland ; Krüger, Michael
  • Materias: Cadmium selenides ; Conversion ; Doors ; Fluorescence quantum yield ; Functional materials ; Hybrid composites ; Intermetallics ; Light conversion ; Materials science ; Nylons ; Organic–inorganic hybrid materials ; Photoluminescence ; Photostability ; Quantum dot ; Quantum dots
  • Es parte de: Materials science & engineering. B, Solid-state materials for advanced technology, 2012-02, Vol.177 (2), p.245-250
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
    content type line 23
  • Descripción: ► A novel in situ synthesis approach for highly luminescent CdSe core QDs–nylon hybrid materials. ► Potential applications for light and energy conversion are demonstrated. ► Three dimensional structures out of this hybrid material are available. Highly photoluminescent hexadecylamine (HDA) capped core CdSe quantum dots (QDs) with fluorescent quantum yields (QYs) up to 60% were synthesized using a hot injection method and directly incorporated into nylon polymer. For the incorporation of crude CdSe QDs into nylon a simple reproducible and upscalable one pot approach was developed without the need of further purification steps. The photoluminescence (PL) properties of the core QDs and the resulting QD–polymer hybrid composites were investigated and compared. Red emitting hybrid materials exhibit a QY of 60% with a high potential for applications in direct light and energy conversion. The hybrid materials could be successfully utilized as LED conversion layers. By avoiding exposure to oxygen the hybrid films can be kept for a month without detecting a significant decrease in luminescence. Various three dimensional structures are easily available opening doors for further applications such as novel materials for fluorescence standard development in laser scanning microscopy (LSM).
  • Editor: Elsevier B.V
  • Idioma: Inglés
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