Glass composition and excitation wavelength dependence of the luminescence of Eu3+ doped lead borate glass
Glass composition and excitation wavelength dependence of the luminescence of Eu3+ doped lead borate glass
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DOI：
10.1063/1.3620985
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发表时间：
2011-08
影响因子：
3.2
通讯作者：
H. Wen;C. Duan;G. Jia;P. Tanner;M. Brik
中科院分区：
文献类型：
--
作者：
H. Wen;C. Duan;G. Jia;P. Tanner;M. Brik
这项工作探讨了发光光谱特征的带宽和它们的相对强度之间的关系，使用玻璃掺杂铕，Eu 3+，在很宽的组成范围。采用熔融-淬冷技术制备了（B_2O_3）_70（PbO）_29（0.5Eu_2O_3）_1和（B_2O_3）_z（PbO）_99.6-z（0.5Eu_2O_3）_0.4（z = 20，30，40，60，70）的玻璃。通过棱镜耦合方法进行的可变波长测量使得能够在选定波长处对折射率进行插值。漫反射光谱证实了Eu 3+掺入到玻璃中，扫描电子显微镜显示，这是在一个均匀的方式。振动光谱表明，从BO 3到BO 4单位的硼配位的变化与PbO含量的增加在玻璃中。多波长激发的发光光谱记录的玻璃在温度下降到10 K和定性解释的光谱差异与B2 O3含量的变化给出。5D 0发光的定量分析是一种有效的方法。
This work explores the relationship between the bandwidth of luminescence spectral features and their relative intensities, using glasses doped with europium, Eu3+, over a wide composition range. Glasses of composition (B2O3)70(PbO)29(0.5Eu2O3)1 and (B2O3)z(PbO)99.6-z(0.5Eu2O3)0.4, (z = 20, 30, 40, 60, 70), were prepared by the melting-quenching technique. Variable-wavelength measurements by the prism-coupling method enabled interpolation of refractive index at selected wavelengths. Diffuse reflectance spectra confirmed the incorporation of Eu3+ into the glass, and scanning electron microscopy displayed that this was in a homogeneous manner. Vibrational spectra showed a change in boron coordination from BO3 to BO4 units with increase of PbO content in the glass. Multi-wavelength excited luminescence spectra were recorded for the glasses at temperatures down to 10 K and qualitative interpretations of spectral differences with change of B2O3 content are given. The quantitative analysis of 5D0 luminescence i...