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Tm3+/Tb3+/Eu3+掺杂硼酸盐玻璃陶瓷的能量转换和发光性能
Luminescent Properties and Energy Transfer of Tm3+/Tb3+/Eu3+ Doped Borate Glass Ceramics
- 发光学报 2019年40卷第7期 页码：835-841
- 作者机构：
桂林电子科技大学 材料科学与工程学院, 广西 桂林 541004
- 作者简介：
- 基金信息：国家自然科学基金（51362005）();广西自然科学基金（2017GXNSFDA198023）资助项目()
DOI：10.3788/fgxb20194007.0835
中图分类号： O482.31纸质出版日期：2019-7-5，
网络出版日期：2018-11-8，
收稿日期：2018-8-14，
修回日期：2018-11-17，
扫 描 看 全 文
刘翔宇, 陈勇, 陈菁菁等. Tm<sup>3+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup>掺杂硼酸盐玻璃陶瓷的能量转换和发光性能[J]. 发光学报, 2019,40(7): 835-841
LIU Xiang-yu, CHEN Yong, CHEN Jing-jing etc. Luminescent Properties and Energy Transfer of Tm<sup>3+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup> Doped Borate Glass Ceramics[J]. Chinese Journal of Luminescence, 2019,40(7): 835-841
刘翔宇, 陈勇, 陈菁菁等. Tm<sup>3+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup>掺杂硼酸盐玻璃陶瓷的能量转换和发光性能[J]. 发光学报, 2019,40(7): 835-841 DOI： 10.3788/fgxb20194007.0835.
LIU Xiang-yu, CHEN Yong, CHEN Jing-jing etc. Luminescent Properties and Energy Transfer of Tm<sup>3+</sup>/Tb<sup>3+</sup>/Eu<sup>3+</sup> Doped Borate Glass Ceramics[J]. Chinese Journal of Luminescence, 2019,40(7): 835-841 DOI： 10.3788/fgxb20194007.0835.
摘要
为获得单一基质的白光发射材料，采用熔融析晶法制备了Tm
3+
/Tb
3+
/Eu
3+
掺杂的硼酸盐玻璃陶瓷。采用XRD、TEM、紫外-可见分光光度计和荧光分光光度计对样品的结构、光谱特性和发光性能进行表征。实验结果表明:玻璃经（500℃+2 h）+（550℃+2 h）热处理后析出单一晶相BaAlBO
3
F
2
。在363 nm激发下，单掺Tm
3+
、Tb
3+
、Eu
3+
的样品分别发出蓝光、绿光、红光。与玻璃样品相比，玻璃陶瓷样品的发光强度明显增加。通过改变Eu
3+
离子浓度，玻璃陶瓷样品的色坐标由（0.291 8，0.331 1）变化为（0.388 1，0.338 2）。当Tm
3+
、Tb
3+
、Eu
3+
的浓度分别为0.4%、0.8%和0.2%时，玻璃陶瓷样品的色坐标（0.333 9，0.335 7）和色温（5 427.92 K）与标准白光（0.333 3，0.333 3；5 454.12 K）极为接近。荧光光谱和荧光衰减结果证实，样品中存在Tm
3+
Eu
3+
和Tb
3+
Eu
3+
的能量传递。制备的玻璃陶瓷材料有望用于白光LED及其他光学显示器件。
Abstract
In order to obtain a single matrix white light emitting material
the Tm
3+
/Tb
3+
/Eu
3+
doped borate glass ceramics were prepared by melting and crystallization method. The microstructure
spectroscopic characterizations and luminescence properties of the samples were characterized by X-ray diffraction diffractometer(XRD) and transmission electron microscope(TEM)
ultraviolet-visible light detector and fluorescent spectrometer. The experimental results show that the single crystalline phase BaAlBO
3
F
2
is precipitated after heat treatment of (500℃+2 h)+(550℃+2 h). Under 363 nm excitation
the single doped Tm
3+
Tb
3+
and Eu
3+
samples emit blue
green and red light
respectively. Enhanced emission intensities of glass ceramic are obviously observed compared to glass sample. The color coordinates of glass ceramic samples easily change from blue light (0.313 4
0.347 7) to warm white (0.388 6
0.337 3) by altering concentration of Eu
3+
. When the concentrations of Tm
3+
Tb
3+
Eu
3+
are 0.4%
0.8% and 0.2%
respectively
the color coordinate (0.333 9
0.335 7) and color temperature (5 427.92 K) of glass ceramic sample are close to that of standard white light (0.333 3
0.333 3; 5 454.12 K). The results of fluorescence spectra and decay curves demonstrate that the energy transfer of Tm
3+
Eu
3+
and Tb
3+
Eu
3+
exists. The as-prepared glass-ceramic materials are promising to be applied to white light-emitting diodes and other optical devices.
关键词
玻璃陶瓷白光LED光致发光能量传递
Keywords
glass-ceramicswhite light emitting diodesphotoluminescenceenergy transfer
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