掺镱氧化钆(Gd2O3:Yb3)

R. Tamrakar, D. P. Bisen, C. S. Robinson, I. P. Sahu, N. Brahme
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引用次数: 40

摘要

以硼酸为助熔剂,采用固相反应法制备了Gd2O3:Yb3+荧光粉。采用x射线衍射(XRD)、傅里叶红外光谱(FTIR)、扫描电镜(SEM)和透射电镜(TEM)、光致发光和热致发光等手段对所得Gd2O3:Yb3+荧光粉进行了表征。XRD结果表明,所得的Gd2O3:Yb3+荧光粉具有立方结构。TEM结果证实,晶体平均尺寸为42.9 nm。研究表明,Yb3+掺杂荧光粉是红外激光二极管抽运的潜在发光材料。
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Ytterbium Doped Gadolinium Oxide (Gd2O3:Yb3
Gd2O3:Yb3+ phosphor has been synthesized by the solid state reaction method with boric acid used as a flux. The resulting Gd2O3:Yb3+ phosphor was characterized by X-ray diffraction (XRD) technique, Fourier transmission infrared spectroscopy (FTIR), scanning electron microscope (SEM) and transmission electron microscope (TEM), and photoluminescence and thermoluminescence. The results of the XRD show that obtained Gd2O3:Yb3+ phosphor has a cubic structure. The average crystallite sizes could be calculated as 42.9 nm, confirmed by the TEM results. The study suggested that Yb3+ doped phosphors are potential luminescence material for IR laser diode pumping.
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