Study on spectroscopic properties of GdOBr:RE3+ （RE=Eu, Tb, Ce）
来源期刊：Journal of Rare Earths2008年第3期
论文作者：周雯雯 张慰萍 尹民
文章页码：459 - 462
摘 要：Rare earth ions doped gadolinium oxybromide phosphors GdOBr:RE3+ （RE=Eu, Tb, Ce） were synthesized by the method of solid-state reaction at high temperature, and the VUV-VIS spectroscopic properties of the phosphors were systematically investigated. Under the excitation of VUV or UV source, the phosphors doped with Eu3+ and Tb3+ show a bright and sharp emission at around 620 nm corresponding to the forced electric dipole 5D0→7F2 transition of Eu3+, and at around 544 nm corresponding to the 5D4→7F5 transition of Tb3+, respectively. For GdOBr:Ce3+, a broader and intense emission spanned 370-500 nm corresponding to the d-f transition of Ce3+ was observed. The excitation spectra were also analyzed.
周雯雯，张慰萍，尹民
摘 要：Rare earth ions doped gadolinium oxybromide phosphors GdOBr:RE3+ （RE=Eu, Tb, Ce） were synthesized by the method of solid-state reaction at high temperature, and the VUV-VIS spectroscopic properties of the phosphors were systematically investigated. Under the excitation of VUV or UV source, the phosphors doped with Eu3+ and Tb3+ show a bright and sharp emission at around 620 nm corresponding to the forced electric dipole 5D0→7F2 transition of Eu3+, and at around 544 nm corresponding to the 5D4→7F5 transition of Tb3+, respectively. For GdOBr:Ce3+, a broader and intense emission spanned 370-500 nm corresponding to the d-f transition of Ce3+ was observed. The excitation spectra were also analyzed.
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