Energy transfer mechanism of GdPO4: RE3+ (RE= Tb, Tm) under VUV-UV excitation

LI; Lan; LI; Guangmin; WANG; Dajian; TAO; Yi; ZHANG; Xiaosong

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Energy transfer mechanism of GdPO4: RE3+ (RE= Tb, Tm) under VUV-UV excitation

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摘要

Polycrystal of GdPO4:RE3+(RE=Tb, Tm) phosphors were prepared by solid- state method. Vacuum ultraviolet excitation and emission spectrum and the energy transfer mechanism between the host and dopants of Tb3+ and Tm3+ were investigated respectively. The emission of Gd3+ at 313 nm was enhanced by the strong absorption of CTS of Tm3+ at 180 nm in GdPO4: Tm. It has also been concluded that the excitation of Gd3+ is transferred to Tb3+ and then emission peaks of 5DJ→7FJ of T b3 + were observed.

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来源
《中国科学》|2006年第4期|P.408-413|共6页
作者
LI; Lan; LI; Guangmin; WANG; Dajian; TAO; Yi; ZHANG; Xiaosong;
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作者单位

Institute;

of;

Material;

Physics,;

Tianjin;

University;

of;

Technology/Tianjin;

Key;

Laboratory;

for;

Photoelectric;

Materials;

and;

Devices,;

Tianjin;

300191,;

China;

Institute;

of;

Material;

Physics,;

Tianjin;

University;

of;

Technology/Tianjin;

Key;

Laboratory;

for;

Photoelectric;

Materials;

and;

Devices,;

Tianjin;

300191,;

China;

Institute;

of;

Material;

Physics,;

Tianjin;

University;

of;

Technology/Tianjin;

Key;

Laboratory;

for;

Photoelectric;

Materials;

and;

Devices,;

Tianjin;

300191,;

China;

Institute;

of;

Material;

Physics,;

Tianjin;

University;

of;

Technology/Tianjin;

Key;

Laboratory;

for;

Photoelectric;

Materials;

and;

Devices,;

Tianjin;

300191,;

China;

Institute;

of;

Material;

Physics,;

Tianjin;

University;

of;

Technology/Tianjin;

Key;

Laboratory;

for;

Photoelectric;

Materials;

and;

Devices,;

Tianjin;

300191,;

China;

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原文格式 PDF
正文语种 CHI
中图分类机械、仪表工业;
关键词
vacuum; ultraviolet; (VUV),; phosphors,; GdPO4:RE3+,; energy; transfer.;

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2. Photoluminescence of SrGdGa_3O_7∶RE (RE=Ce^(3+), Pr^(3+), Tb^(3+)) under VUV-UV Excitation [J] . 张新民 ,梁宏斌 ,叶祥 . 稀土学报：英文版 . 2005,第3期
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4. Na5.52Mg1.74(PO4)3∶Re3+(Re=Dy,Tm,Tb或Eu)材料的制备与发光特性 [J] . 于佳音 ,刘丽艳 ,于湛 . 沈阳师范大学学报（自然科学版） . 2014,第002期
5. BaMgSi2O6:RE3+(RE=Tb,Ce)的真空紫外光谱特性 [C] . 唐伟 ,何大伟 ,周丹 . 第十五届全国高技术陶瓷学术年会 . 2008
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Energy transfer mechanism of GdPO4: RE3+ (RE= Tb, Tm) under VUV-UV excitation

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