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Effects of Co-Dopants on the Microstrucutre and El Properties of the Zns:Mn Luminescence Materials

Published online by Cambridge University Press:  10 February 2011

Qing Zhai ,
Jinghong Li ,
Jay Lewis ,
Karen Waldrip ,
Kevin Jones ,
Paul Holloway ,
M. Puga-Lambers  and
Mark Davidson
Qing Zhai
Affiliation:
Dept. of Materials Science and Engineering
Jinghong Li
Affiliation:
Dept. of Materials Science and Engineering
Jay Lewis
Affiliation:
Dept. of Materials Science and Engineering
Karen Waldrip
Affiliation:
Dept. of Materials Science and Engineering
Kevin Jones
Affiliation:
Dept. of Materials Science and Engineering
Paul Holloway
Affiliation:
Dept. of Materials Science and Engineering
M. Puga-Lambers
Affiliation:
Microfabritech University of Florida, Gainesville, FL 32611
Mark Davidson
Affiliation:
Microfabritech University of Florida, Gainesville, FL 32611
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Abstract

Thin films of zinc sulfide (ZnS) doped with Mn, were deposited using magnetron sputter source. The electroluminescent properties of the as-deposited films were relatively poor. Post- deposition rapid thermal annealing (RTA) with and without co-dopants was studied. Significant changes in microstructure and EL performance were observed on the samples after post-sputter processing. Transmission electron microscopy (TEM) and high-resolution transmission electron microscopy (HRTEM) were employed to characterize the microstructure. Both inter-grain and intra-grain distributions of the co-dopants were measured using energy dispersive X-ray spectra (EDX) and the distribution versus thickness was determined by dynamic secondary ion mass spectrometry (SIMS). A correlation between electroluminescent properties and the microstructure is obtained.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 560: Symposium E – Luminescent Materials , 1999 , 21
Copyright
Copyright © Materials Research Society 1999

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References

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