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

<table>TG-DTA curves of 4SrCO3·7Al2O3 mixture containing different amount of boric acid as flux showing the reaction process during calcinations.</table>

Journal of Materials

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Figure 1

Figure 1: Giant Improvement on the Afterglow of Sr4Al14O25:Eu2+,Dy3+ Phosphor by Systematic Investigation on Various Parameters