Abstract
In this paper, a series of B2O3–Al2O3–ZnO–BaO–Tm2O3–Tb2O3 glasses were synthesized by high temperature melting method. Under appropriate ultraviolet excitation, Tm3+ ions produce 1D2→3F4 energy level transition and emit blue light. The concentration quenching point is 0.75 % mol, and the color saturation is high. Tb3+ ions produce 5D4→7F5 energy level transition and emit green light, and the concentration quenching point of Tb3+ ions is 0.75 % mol. By characterizing the fluorescence lifetime and luminescence intensity of B2O3–Al2O3–ZnO–BaO–Tm2O3–Tb2O3 glass, the existence of Tm3+→Tb3+ energy transfer in the glass was verified, and the energy transfer efficiency and energy transfer mechanism were studied in detail. It is found that B2O3–Al2O3–ZnO–BaO–Tm2O3–Tb2O3 glass is an ideal material for light-emitting diodes, light-emitting materials and fluorescent display devices.
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