Abstract
The single-phase CaAl 2O 4(CA) : Eu 2+ powder phosphors showing 440 nm blue emission were prepared by two-step firing synthesis. It is expected that CA : Eu 2+ phosphor can be applied to plasma display panels (PDPs), because it is more resistant to luminance degradation by heating process in comparison to BaMgAl 10O 17(BAM) : Eu 2+. However, the initial PL luminance of CA : Eu 2+ excited by 147 nm light remains 50% of that of BAM : Eu 2+.
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