Ce:YAG nanoparticles embedded in a PMMA matrix: preparation and characterization

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56 Citazioni (Scopus)

Abstract

A Ce:YAG-poly(methyl methacrylate) composite was prepared using in situ polymerization by embedding the Ce:YAG nanopowder in a blend of methyl methacrylate (MMA) and 2-methacrylic acid (MAA) monomers and activatingthe photopolymerization using a radical initiator. The obtained nanocomposite was yellow and transparent. Itscharacterization was performed using transmission electron microscopy, small angle X-ray scattering, 13C crosspolarizationmagic-angle spinning nuclear magnetic resonance, and photoluminescence spectroscopy. Results showedthat Ce:YAG nanoparticles are well dispersed in the polymeric matrix whose structure is organized in a lamellar shape.The luminescence properties of the nanocomposite do not show quenching or a significant spectral shift, indicating thatthe nanocomposite can be useful for advanced applications such as white LED construction.
Lingua originaleEnglish
pagine (da-a)13442-13449
Numero di pagine8
RivistaLangmuir
Volume26(16)
Stato di pubblicazionePublished - 2010

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Spectroscopy
  • Electrochemistry

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