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Upconversion luminescence of Eu3+ and Mn2+ in ZnS : Mn2+, Eu3+ codoped nanoparticles

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Author

Summary, in English

Strong upconversion luminescence of both Mn2+ and Eu3+ is observed in ZnS:Mn2+, Eu3+ codoped nanoparticles. Laser power dependencies and spectroscopic data show that the upconversion emission is due to two-photon excitation of each specific dopant ion. The relative differences in two-photon excitation cross section result in different relative intensities for the Eu3+ and Mn2+ upconversion at different wavelengths. Spectroscopic data and luminescence lifetime data indicate no evidence of energy transfer between the Mn2+ and Eu3+ ions. (C) 2004 American Institute of Physics.

Publishing year

2004

Language

English

Pages

667-672

Publication/Series

Applied Physics Reviews

Volume

95

Issue

2

Document type

Journal article

Publisher

American Institute of Physics (AIP)

Topic

  • Chemical Sciences

Status

Published

ISBN/ISSN/Other

  • ISSN: 1931-9401