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Incorporation of Luminescent Zinc Oxide Nanoparticles into Polystyrene

Published online by Cambridge University Press:  10 April 2013

Rui Li ,
George R. Fern ,
Robert Withnall ,
Jack Silver ,
Peter Bishop  and
Benedicte Thiebaut
Rui Li
Affiliation:
Wolfson Centre for Materials Processing, Brunel University, Uxbridge, UB8 3PH, UK
Robert Withnall
Affiliation:
Wolfson Centre for Materials Processing, Brunel University, Uxbridge, UB8 3PH, UK
Jack Silver
Affiliation:
Wolfson Centre for Materials Processing, Brunel University, Uxbridge, UB8 3PH, UK
Peter Bishop
Affiliation:
Johnson Matthey Technology Centre, Reading, Berkshire, RG4 9NH, UK
Benedicte Thiebaut
Affiliation:
Johnson Matthey Technology Centre, Reading, Berkshire, RG4 9NH, UK
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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.

Keywords

polymerluminescenceZn
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1509: Symposium CC – Optically Active Nanostructures , 2013 , mrsf12-1509-cc03-17
Copyright
Copyright © Materials Research Society 2013

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