Research Letter

Effects of Particle Size and Type of Alumina on the Morphology and Photoluminescence Properties of S r 𝟒 A l 𝟏 𝟒 O 𝟐 𝟓 : E u 𝟐 + / D y 𝟑 + Phosphor

Figure 5

The mechanism of long afterglow of S r 4 A l 1 4 O 2 5 : E u 2 + / D y 3 + phosphor.
475074.fig.005