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

<div>Fluorescence spectra (a) and phosphor spectra (b) of SAO, 5 wt% SAO/PLA, 10 wt% SAO/PLA, 15 wt% SAO/PLA, and 20 wt% SAO/PLA.</div>

Scanning

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Figure 7

Figure 7: 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

Figure 7 | 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 