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陕西科技大学 材料科学与工程学院, 陕西 西安 710021
纸质出版日期:2016-8-5,
收稿日期:2016-3-17,
修回日期:2016-4-17,
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乔荫颇, 张摇攀, 殷海荣等. Dy<sup>3+</sup>掺杂硼酸盐玻璃的制备、表征及发光特性[J]. 发光学报, 2016,37(8): 948-954
QIAO Yin-po, ZHANG Pan, YIN Hai-rong etc. Preparation,Characterization and Luminescence Properties of Dy<sup>3+</sup> Doped Borate Glasses[J]. Chinese Journal of Luminescence, 2016,37(8): 948-954
乔荫颇, 张摇攀, 殷海荣等. Dy<sup>3+</sup>掺杂硼酸盐玻璃的制备、表征及发光特性[J]. 发光学报, 2016,37(8): 948-954 DOI: 10.3788/fgxb20163708.0948.
QIAO Yin-po, ZHANG Pan, YIN Hai-rong etc. Preparation,Characterization and Luminescence Properties of Dy<sup>3+</sup> Doped Borate Glasses[J]. Chinese Journal of Luminescence, 2016,37(8): 948-954 DOI: 10.3788/fgxb20163708.0948.
采用高温熔融-冷却法制备了一系列Dy
3+
掺杂的B
2
O
3
-ZnO-Na
2
O-Al
2
O
3
发光玻璃,通过红外光谱、紫外-可见-近红外光谱和荧光光谱等研究了其结构及发光特性。分析表明:制备的发光玻璃中出现基质组分的结构特征峰及Dy
3+
的能级跃迁特征峰。在350 nm波长光激发下,样品的发光强度、黄蓝发射峰比、荧光寿命、色坐标及色温等均随Dy
3+
浓度的变化发生明显的可调节变化。样品的荧光发射强度随Dy
3+
浓度的增加呈现先增大后减小的变化,当Dy
3+
掺杂摩尔分数为1.0%时,发光强度最大。此外,随着Dy
3+
掺杂浓度的增大,发光玻璃的荧光寿命及发射光谱的色度坐标值、色温都呈现递减的趋势。这表明通过基质组分及掺杂元素的调节可以使得该硼酸盐体系发光玻璃获得高效可调节的光功能从而得到广泛应用。
A series of Dy
3+
doped B
2
O
3
-ZnO-Na
2
O-Al
2
O
3
glasses (BZNA:
x
Dy) were prepared by high temperature melting method. The structure
composition and luminescence property of BZNA:
x
Dy samples were characterized through FTIR
UV-Vis-NIR and fluorescence spectra. The absorption spectra showed the characteristics peaks of glass substrate and the energy level transition of Dy
3+
. Under 350 nm excitation
the luminescence intensity
ratio of yellow and blue emission peaks
fluorescence lifetime
color coordinate and color temperature of BZNA:
x
Dy samples can be adjusted and changed according to the content of Dy
3+
. The luminescent intensity of Dy
3+
doped samples are observed to be enhanced firstly and then decrease after 1.0% of Dy
3+
mole fraction. Thus
the concentration quenching of Dy occurs in the samples. Meanwhile
the fluorescence lifetime of samples decreases with the increasing doping concentration of rare earth ions. Furthermore
the chromaticity coordinates values and the color temperatures of the emission are reduced gradually.
Dy3+掺杂硼酸盐玻璃发光玻璃浓度猝灭荧光寿命
Dy3+dopedborate glassluminescent glassconcentration quenchingfluorescent lifetime
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