发光学报, 2016, 37 (4): 392, 网络出版: 2016-06-06
Eu/Tm/Tb掺杂硼硅酸盐玻璃的发光性能
Luminescence Properties of Eu/Tm/Tb-doped Borosilicate Glass
摘要
采用熔融淬冷法制备了性能优越的Eu/Tm/Tb单掺、双掺和三掺的硼硅酸盐玻璃。测试了样品的激发和发射光谱,计算了CIE色坐标,研究了紫外激发下Eu/Tm/Tb掺杂的硼硅酸盐玻璃的发光性能。结果表明: 在361 nm激发下,随着Tm3+加入到Eu2O3掺杂的硼硅酸盐样品中,观察到Tm3+的459 nm(1D2→3F4)锐线特征发射峰,同时由于Eu3+,Eu2+→Tm3+的能量传递的存在降低了Eu2+的437 nm宽带峰及Eu3+的589 nm(5D0→7F1)和612 nm(5D0→7F2)的特征发射峰强度。在377 nm激发下,Eu/Tm/Tb三掺样品能够同时出现红、绿和蓝光。调节Eu2O3的含量能有效改变发光玻璃的发光强度和颜色,最终得到色坐标为(0.33,0.386 7)的发光玻璃。
Abstract
Eu/Tm/Tb-doped singly, doubly and triply borosilicate glasses were prepared using a conventional melting-quenching method. The luminescent properties of Eu/Tm/Tb-doped samples under the UV excitation were investigated in detail by measuring the excitation and emission spectra and calculating CIE chromaticity coordinates. The results show that the sharp emission peak centered at 459 nm originating from 1D2→3F4 of Tm3+ is observed, and the characteristic emission intensity centered at 437 nm ascribing to the broad peak of Eu2+, 589 nm(5D0→7F1)and 612 nm(5D0→7F2)of Eu3+ is reduced due to the energy transfer from Eu3+,Eu2+ to Tm3+ ion. Red, green and blue light can be observed in Eu/Tm/Tb -doped triply samples simultaneously under the excitation of 377 nm. The luminescent intensity and color of borosilicate glasses might be changed by adjusting Eu2O3 content, and the sample with CIE chromaticity coordinates(0.33, 0.386 7)are obtained.
石冬梅, 赵营刚. Eu/Tm/Tb掺杂硼硅酸盐玻璃的发光性能[J]. 发光学报, 2016, 37(4): 392. SHI Dong-mei, ZHAO Ying-gang. Luminescence Properties of Eu/Tm/Tb-doped Borosilicate Glass[J]. Chinese Journal of Luminescence, 2016, 37(4): 392.