Giant Improvement on the Afterglow of Sr₄Al₁₄O₂₅:Eu²⁺,Dy³⁺ Phosphor by Systematic Investigation on Various Parameters

Table 2

TSL parameters of Sr₄Al₁₄O₂₅:Eu²⁺,Dy³⁺ phosphors.

Samples	Glow peak (°C)	Glow peak shape parameters				TSL parameters
		𝛿	𝜏	𝜔	𝜇𝑔	𝐸𝑇	𝑛𝑜
S4A7B0	97	70	130	200	0.35	0.446	1.34 × 10^6
S4A7B0.4	111	79	154	233	0.34	0.641	1.87 × 10^6
S4A7B0.4, Ag0.03	113	78	158	236	0.33	0.645	2.77 × 10^6