Effect of the Concentration of SrAl<sub>2</sub>O<sub>4</sub>: Eu<sup>2+</sup>and Dy<sup>3+</sup> (SAO) on Characteristics and Properties of Environment-Friendly Long-Persistent Luminescence Composites from Polylactic Acid and SAO

<div>Long afterglow luminescence properties of composites with different SAO contents.</div>

Scanning

fig9

Figure 9

Figure 9: Effect of the Concentration of SrAl<sub>2</sub>O<sub>4</sub>: Eu<sup>2+</sup>and Dy<sup>3+</sup> (SAO) on Characteristics and Properties of Environment-Friendly Long-Persistent Luminescence Composites from Polylactic Acid and SAO 

Figure 9 | Effect of the Concentration of SrAl2O4: Eu2+and Dy3+ (SAO) on Characteristics and Properties of Environment-Friendly Long-Persistent Luminescence Composites from Polylactic Acid and SAO 