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电子科技大学 微电子与固体电子学院 电子薄膜与集成器件国家重点实验室
收稿:2011-08-01,
修回:2011-9-8,
网络首发:2011-11-22,
纸质出版:2011-11-22
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赵爱平, 邓宏, 刘峰. 不同工艺下YAG∶Ce<sup>3+</sup>荧光粉的超声共沉淀合成及表征[J]. 发光学报, 2011,32(11): 1104-1108
ZHAO Ai-ping, DENG Hong, LIU Feng. Characterization of YAG∶Ce<sup>3+</sup> Phosphor Synthesized via Ultrasonic Co-precipitation by Different Techniques[J]. Chinese Journal of Luminescence, 2011,32(11): 1104-1108
赵爱平, 邓宏, 刘峰. 不同工艺下YAG∶Ce<sup>3+</sup>荧光粉的超声共沉淀合成及表征[J]. 发光学报, 2011,32(11): 1104-1108 DOI:
ZHAO Ai-ping, DENG Hong, LIU Feng. Characterization of YAG∶Ce<sup>3+</sup> Phosphor Synthesized via Ultrasonic Co-precipitation by Different Techniques[J]. Chinese Journal of Luminescence, 2011,32(11): 1104-1108 DOI:
用共沉淀正滴及反滴工艺
以普通共沉淀及超声辅助共沉淀的方式制备了不同YAG∶Ce
3+
前驱体
并通过焙烧前驱体粉末合成了YAG∶Ce
3+
荧光粉。利用XRD、SEM、激光粒度分布仪及荧光分光光度计对所制备样品进行了表征。结果表明
所得样品均为纯相钇铝石榴石结构
反滴工艺下制得的YAG∶Ce
3+
荧光粉的发光强度高于正滴工艺下的同类样品。且相对于普通共沉淀来说
无论正滴还是反滴工艺
通过超声共沉淀方式制得的荧光粉样品均具有更均匀的晶粒粒径、更窄的粒径分布及更高的发光强度。
paper
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