Is Zinc oxide phosphorescent?

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Thomas Jüstel

Dear Abdolazim,

ZnO:Zn is a cyan-green emitting PL and EL luminescent material, which has a decay time of 1-3 µs dependent on the details of the sample preparation. To my best knowledge the material does not show persistent luminescence (afterglow). However, persistent luminescence might be introduced by doping the material which introduces deeper defects to store electrons.

Appended you will find a slide with some data concerning ZnO:Zn.

Success with your research,

Thomas

Abdolazim Hasseli

Thank you Thomas Jüstel but there is no attachment in your reply.

Sorry here is the attachment...Thomas

Thank you again Thomas Jüstel