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Incorporation of Luminescent Zinc Oxide Nanoparticles into Polystyrene

  • Rui Li (a1), George R. Fern, Robert Withnall (a1), Jack Silver (a1), Peter Bishop (a2) and Benedicte Thiebaut (a2)...

Abstract

Zinc oxide (ZnO) nanoparticles and nanoparticles of luminescent zinc oxide (ZnO:Zn) phosphor were successfully synthesised and well characterised. A transparent polystyrene composite sheet containing ZnO:Zn nanoparticles was prepared by a solvent casting method. The sheet manifested comparable transmission to a virgin polystyrene film due to very uniform dispersion of the ZnO:Zn nanoparticles into the polystyrene. Evidence for uniform dispersion was evident in both its luminescent properties and in a SEM image. The photoluminescent characteristics of the ZnO:Zn, both as a pure powder and embedded in a polystyrene matrix, are reported. The uniformity of the photoluminescence of the composite sheet under near ultraviolet excitation is demonstrated. The luminescent ZnO:Zn nanoparticles are shown to have applications for use not only as an inhibitor of the ultraviolet degradation of polymers, but also for providing polymers with light emitting functionality.

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Keywords

Incorporation of Luminescent Zinc Oxide Nanoparticles into Polystyrene

  • Rui Li (a1), George R. Fern, Robert Withnall (a1), Jack Silver (a1), Peter Bishop (a2) and Benedicte Thiebaut (a2)...

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