Upconversion luminescence of Eu 3+ and Mn 2+ in ZnS:Mn 2+, Eu 3+ codoped nanoparticles

Wei Chen*, Alan G. Joly, Jan Olle Malm, Jan Olov Bovin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)

Abstract

Upconversion luminescence in ZnS:Mn 2+, Eu 3+ codoped nanoparticles was investigated. Findings suggest that the upconversion emission is due to two-photon excitation. Spectroscopy and luminescence lifetime analysis was used for investigation. Results show that upconversion luminescence exhibits a quadratic power dependence. X-ray powder diffraction and high-resolution transmission electron microscopy was used to study the crystalline structure of the nanoparticles.

Original languageEnglish
Pages (from-to)667-672
Number of pages6
JournalJournal of Applied Physics
Volume95
Issue number2
DOIs
Publication statusPublished - 15 Jan 2004
Externally publishedYes

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