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1. 辽宁师范大学 物理与电子技术学院,辽宁 大连,116029
2. 辽宁师范大学 化学化工学院,辽宁 大连,116029
收稿日期:2010-12-25,
修回日期:2011-02-24,
网络出版日期:2011-05-22,
纸质出版日期:2011-05-22
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程宇琪, 李成仁, 牛淑云, 殷海涛. Ho<sup>3+</sup> 单掺杂及其与Yb<sup>3+</sup>、Er<sup>3+</sup> 共掺杂硼硅酸盐玻璃上转换发光的光谱分析[J]. 发光学报, 2011,32(5): 433-439
CHENG Yu-qi, LI Cheng-ren, NIU Shu-yun, YIN Hai-tao, ZHANG Li. Spectral Analysis of Ho<sup>3+</sup> -doped and Ho<sup>3+</sup>, Yb<sup>3+</sup>, Er<sup>3+</sup> Co-doped Up-conversion Luminescence Borosilicate Glass[J]. Chinese Journal of Luminescence, 2011,32(5): 433-439
程宇琪, 李成仁, 牛淑云, 殷海涛. Ho<sup>3+</sup> 单掺杂及其与Yb<sup>3+</sup>、Er<sup>3+</sup> 共掺杂硼硅酸盐玻璃上转换发光的光谱分析[J]. 发光学报, 2011,32(5): 433-439 DOI: 10.3788/fgxb20113205.0433.
CHENG Yu-qi, LI Cheng-ren, NIU Shu-yun, YIN Hai-tao, ZHANG Li. Spectral Analysis of Ho<sup>3+</sup> -doped and Ho<sup>3+</sup>, Yb<sup>3+</sup>, Er<sup>3+</sup> Co-doped Up-conversion Luminescence Borosilicate Glass[J]. Chinese Journal of Luminescence, 2011,32(5): 433-439 DOI: 10.3788/fgxb20113205.0433.
采用高温固相烧结法制备了Ho
3+
单掺杂、Ho
3+
/Yb
3+
共掺杂、Ho
3+
/Er
3+
共掺杂和Ho
3+
/Yb
3+
/Er
3+
共掺杂等系列硼硅酸盐玻璃
测量了样品的激发光谱和发射光谱。结果表明:Ho
3+
单掺杂样品的激发光谱与发射光谱的强度随其浓度增加而逐渐减弱
原因是高浓度掺杂导致Ho
3+
离子产生猝灭效应;Ho
3+
/Yb
3+
共掺杂玻璃由于Yb
3+
离子的敏化作用
光谱强度增强;Ho
3+
/Yb
3+
/Er
3+
共掺杂样品中Ho
3+
离子向 Er
3+
离子发生能量传递
Ho
3+
离子的激发光谱和发射光谱强度均减弱。同时讨论了峰值波长为550 nm宽带发射峰的发光机制。
A series of holmium ions doped borosilicate glass
including Ho
3+
-doped
Ho
3+
/Er
3+
-doped
Ho
3+
/ Yb
3+
-doped and Ho
3+
/Yb
3+
/Er
3+
-doped galss
have been prepared by high-temperature melting. The up-conversion excitation spectra and emission spectra of the samples decrease. The analysis result reveals that both the intensities of excitation spectra and emission spectra were weaken with the Ho
3+
concentration. The spectral intensities of Ho
3+
/Yb
3+
-doped borosilicate glass increase with the increase of Ho
3+
concentration because of the sensitization of Yb
3+
. The excitation and emission spectra intensities of Ho
3+
/Yb
3+
/Er
3+
-doped borosilicate glass are weak
and the reason is the energy transfers from Ho
3+
ions to Er
3+
ions through energy resonant transfer process. Meanwhile the luminescence mechanism of broadband emission peaked at 550 nm is analyzed.
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