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Effect of Sintering Temperature on Luminescence Properties of Color Conversion Glasses in Borosilicate Glasses
Li Y(李杨); Hu LL(胡丽丽); Yang BB(杨波波); Shi MM(石明明); Zou J(邹军); liyang123@sit.edu.cn; hulili@siom.ac.cn
2017
发表期刊无机材料学报
卷号32期号:3页码:257
摘要The color conversion glass is a promising material for light emitting diodes encapsulation due to its high thermal conductivity and good thermal stability. In present study, color conversion glasses were prepared by sintering a mixture of borosilicate glass fits and a YAG phosphor at temperature from 600 degrees C to 900 degrees C. The effects of sintering temperature on luminescence properties were examined. Characteristics of color conversion glasses, with respect to luminescence intensity, CIE (Commission International de I'Eclairage) chromaticity and CCT (Correlated Color Temperature) were analyzed based on luminescence excitation and emission spectra. These characteristics are dependent on sintering temperature of the color conversion glasses. The CIE coordinates shift with increase of sintering temperature. The glass, sintered at 700 degrees C, shows the best luminescence properties. But for the glasses sintered above 850 degrees C, their luminescence properties may be destroyed. Test results of X-ray diffraction (XRD), differential scanning calorimetry (DSC) and X-ray photoelectron spectroscopy (XPS) reveal that degradation of luminescence properties with increase of sintering temperature is ascribed to the lattice disturbance of YAG and oxidation of Ce3+, which is caused by reactions between glass matrix and YAG phosphors. The present study may promote the application of color conversion glasses in light emitting diodes encapsulation.
文章类型Article
其他摘要采用共烧结法制备了硼硅基质Ce: YAG荧光玻璃,研究了烧结温度在600℃~900℃范围内, Ce: YAG荧光玻璃的发光强度变化和色坐标漂移规律。结果表明, 随着烧结温度的升高, Ce: YAG荧光玻璃发光强度先增强后减弱, 700℃烧结时, 荧光玻璃获得最大发光强度; 超过850℃烧结时, 荧光玻璃无发光性能; 同时, 色坐标(x, y)发生漂移, 且比相同烧结温度的荧光粉漂移幅度大。通过X射线粉末衍射仪、差示扫描量热分析仪和X射线光电子能谱分析仪测试分析表明: 随着烧结温度升高, 荧光粉中的Ce~(3+)被玻璃基质氧化成Ce~(4+), 玻璃液体腐蚀破坏了荧光粉YAG晶体结构, 降低了荧光玻璃的发光强度, 从而导致色坐标劣化漂移。
部门归属单元
DOI10.15541/jim20160374
资助者National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547] ; National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547] ; National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547] ; National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547]
收录类别SCI
资助者National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547] ; National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547] ; National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547] ; National Natural Science Foundation of China [51302171]; Science and Technology Commission of Shanghai Municipality [14500503300]; Shanghai Municipal Alliance Program [LM201547]
WOS记录号WOS:000398243400006
引用统计
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/28280
专题高功率激光单元技术研发中心
通讯作者liyang123@sit.edu.cn; hulili@siom.ac.cn
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Li Y,Hu LL,Yang BB,et al. Effect of Sintering Temperature on Luminescence Properties of Color Conversion Glasses in Borosilicate Glasses[J]. 无机材料学报,2017,32(3):257.
APA 李杨.,胡丽丽.,杨波波.,石明明.,邹军.,...&hulili@siom.ac.cn.(2017).Effect of Sintering Temperature on Luminescence Properties of Color Conversion Glasses in Borosilicate Glasses.无机材料学报,32(3),257.
MLA 李杨,et al."Effect of Sintering Temperature on Luminescence Properties of Color Conversion Glasses in Borosilicate Glasses".无机材料学报 32.3(2017):257.
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