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Tb^(3+)自敏化效应与Gd^(3+)-Tb^(3+)能量转移对硅酸盐玻璃发光性能的影响 被引量:2

Effects of Tb^(3+) Self-sensitization and Gd^(3+)-Tb^(3+) Energy Transfer on Luminescent Properties of Silicate Glasses
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摘要 研究了Tb3+自敏化效应与Gd3+-Tb3+能量转移对硅酸盐玻璃发光性能的影响。结果表明,随着Tb3+掺杂量的增加,Tb3+的400~450 nm蓝色荧光发射减弱,而485 nm和545 nm绿光发射增强。Tb3+掺杂硅酸盐玻璃中,Tb3+之间存在能量转移,产生自敏化效应,这种转移是由Tb3+之间电偶极-电四极的相互作用引起的共振能量转移。Gd3+通过Gd3+-Tb3+间的能量转移对Tb3+的发光起敏化作用,这种能量转移主要是偶极与偶极相互作用引起的共振转移。 The effect of Tb3+ self- sensitization and Gd3 + -Tb3 + energy transfer on luminescent properties of Tb3+ doped silicate glasses was investigated. Results showed that the intensity of blue emission decreases, but the intensity of green emission increases with increasing of Tb3 + concentration. Tb3 + self - sensitization takes place by the energy transfer in the manner of resonance between Tb3 + in silicate glasses , which is caused by the interaction between electric dipole and electric quadrupole C,d3+ can enhance manner from Gd3 + the luminescence of Tb3+ in silicate glasses to Tb3 + emission center due to the interaction by the energy transfer in resonance between electric dipoles.
出处 《玻璃与搪瓷》 CAS 2009年第3期6-9,19,共5页 Glass & Enamel
基金 国家自然科学基金资助项目(No.50772103)
关键词 硅酸盐玻璃 稀土离子掺杂 发光 能量转移 silicate glass rare earth ion doping luminescence energy transfer
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