Er3+/Yb3+/Tb3+共掺氟氧锗酸盐玻璃上转化发光性质及机理研究

doi:10.3724/SP.J.1077.2010.09878

无机材料学报 ›› 2010, Vol. 25 ›› Issue (5): 551-556.DOI: 10.3724/SP.J.1077.2010.09878 CSTR: 32189.14.SP.J.1077.2010.09878

Er³⁺/Yb³⁺/Tb³⁺共掺氟氧锗酸盐玻璃上转化发光性质及机理研究

胡曰博^1,2,3，邱建备²，周大利¹，杨正文²，宋志国²

1. 四川大学材料科学与工程学院，成都 610065； 2. 昆明理工大学材料科学与工程学院，昆明 650093； 3. 昆明冶金高等专科学校材料工程研究所，昆明 650043

收稿日期:2009-12-18 修回日期:2010-02-05 出版日期:2010-05-20 网络出版日期:2010-05-12

Characteristics and Mechanism of Up-conversion Luminescence in Er³⁺/Yb³⁺/Tb³⁺ Co-doped Oxyfluorogermanate Glasses

HU Yue-Bo^1,2,3, QIU Jian-Bei², ZHOU Da-Li¹, YANG Zhen-Wen², SONG Zhi-Guo²

1. Material Science and Engineering College of Sichuan University, Chengdu 610065, China; 2. Material Science and Engineering College, Kunming University of Science and Technology, Kunming 650093, China; 3. Material Research center, Kunming Metallurgy College, Kunming 650043, China

Received:2009-12-18 Revised:2010-02-05 Published:2010-05-20 Online:2010-05-12

摘要/Abstract

摘要：

在980nm激发下，研究了Er³⁺、Yb³⁺和Tb³⁺单掺或共掺氟氧锗酸盐玻璃的上转换发光性质和机理.室温下，观察到了强的绿色和红色上转换发光，其发光中心位于524、546和658nm处，分别对应于Tb³⁺离子的⁵D₄→⁷F_J(J=5和0) 和Er³⁺离子的(²H_11/2、⁴S_3/2和⁴F_9/2) →⁴I_15/2跃迁.研究了TbF₃、YbF₃掺杂浓度以及激光功率对上转换发光强度的影响，讨论了Er³⁺、Yb³⁺和Tb³⁺之间的能量传递和上转换机理.

关键词: 上转换发光, 机理, 氟氧锗酸盐玻璃, Er³⁺/Yb³⁺/Tb³⁺共掺, 能量传递

Abstract:

Up-conversion luminescence properties and energytransfer processes in Er³⁺,Yb3⁺ and Tb³⁺ single doped or co-doped oxyfluorogermanate glasses were studied under 980nm laser excitation. Green and red up-conversion emissions around 524, 546 and 658nm which can be assigned to the Tb³⁺∶⁵D₄→⁷F_J (J=5 and 0) and Er³⁺∶(²H_11/2, ⁴S_3/2 and ⁴F_9/2)→^4I_15/2 transitions, respectively, were strongly observed at room temperature. Up-conversion luminescence intensity depended on the YbF₃, TbF₃ concentration and excitationpower density. The energy transfer processes among Er³⁺, Yb³⁺ and Tb3⁺, and up-conversion mechanisms were discussed.

Key words: up-conversion luminescence, mechanism, oxyfluorogermanate glasses; Er³⁺/Yb³⁺/Tb³⁺ co-doped, energy transfer

中图分类号:

胡曰博1,2,3，邱建备2，周大利1，杨正文2，宋志国2. Er³⁺/Yb³⁺/Tb³⁺共掺氟氧锗酸盐玻璃上转化发光性质及机理研究[J]. 无机材料学报, 2010, 25(5): 551-556.

HU Yue-Bo1,2,3, QIU Jian-Bei2, ZHOU Da-Li1, YANG Zhen-Wen2, SONG Zhi-Guo2. Characteristics and Mechanism of Up-conversion Luminescence in Er³⁺/Yb³⁺/Tb³⁺ Co-doped Oxyfluorogermanate Glasses[J]. Journal of Inorganic Materials, 2010, 25(5): 551-556.

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Er³⁺/Yb³⁺/Tb³⁺共掺氟氧锗酸盐玻璃上转化发光性质及机理研究

Characteristics and Mechanism of Up-conversion Luminescence in Er³⁺/Yb³⁺/Tb³⁺ Co-doped Oxyfluorogermanate Glasses

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