利用高温固相反应合成了Ba2 Gd2 Si4O13∶Dy3+荧光粉,从激发光谱、发射光谱、衰减寿命3个方面详细研究了不同激发波长下Gd3+→Dy3+的能量传递和热稳定性能.研究表明,由于Ba2Gd2Si4O13基质中Gd3+→Dy3+的能量传递,Dy3+在274 nm激发的发光强度是在349 nm激发的5倍;Ba2Gd2Si4O13∶Dy3+荧光粉表现出较好的热稳定性,在250℃的发光强度为常温的85％;随着加热温度的升高,兰光比黄光强度下降更多,而Gd3+发光有所增加.Ba2Gd2Si4O13∶Dy3+荧光粉可作为潜在的单一基质单一掺杂发光材料.
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