Manganese concentration dependent saturation in ZnS:Mn thin film electroluminescent devices
- 1 July 1983
- journal article
- conference paper
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 54 (7) , 4110-4117
- https://doi.org/10.1063/1.332544
Abstract
The decay rate of the yellow emission in ZnS:Mn thin film electroluminescent devices increases at high luminance levels and a larger increase is observed for higher manganese concentrations. A stronger saturation of the emission is also observed when the manganese concentration is high. The experimental results suggest nonradiative decay caused by an interaction between excited Mn2+ which occurs by energy transfer via unexcited Mn2+. An increase in the current density in the ZnS:Mn layer is observed simultaneously with the higher decay rate of the emission, which indicates that free electrons are created in the interaction between excited Mn2+.This publication has 11 references indexed in Scilit:
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