Tunable emission, energy transfer, and charge compensation in the CaSb2O6:Eu3+, Bi3+ phosphor
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- 作者：Renping Cao ; Ting Fu ; Yunling Cao…
- 刊名：Journal of Materials Science: Materials in Electronics
- 出版年：2016
- 出版时间：April 2016
- 年：2016
- 卷：27
- 期：4
- 页码：3514-3519
- 全文大小：1,276 KB
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Ting Fu (1)
Yunling Cao (1)
Shenhua Jiang (2)
Qingdong Gou (1)
Zhiquan Chen (1)
Pan Liu (3)
1. College of Mathematics and Physics, Jinggangshan University, Ji’an, 343009, China
2. College of Pharmacology and Life Science, Jiujiang University, Jiujiang, 332000, China
3. Scientific Research Office, Jinggangshan University, Ji’an, 343009, China - 刊物类别：Chemistry and Materials Science
- 刊物主题：Chemistry
Optical and Electronic Materials
Characterization and Evaluation Materials - 出版者：Springer New York
- ISSN：1573-482X
文摘
Novel CaSb2O6:Eu3+, Bi3+ phosphor is synthesized by solid-state reaction method in air. Their crystal structures are investigated. Luminescence properties of CaSb2O6:Eu3+, CaSb2O6:Bi3+, and CaSb2O6:Eu3+, Bi3+ phosphors are compared, analyzed and explained, respectively. Tunable emission of CaSb2O6:Eu3+, Bi3+ phosphor with excitation 298 nm can be observed by changing Eu3+ or Bi3+ concentration. Energy transfer (ET) and charge compensation in CaSb2O6:Eu3+, Bi3+ phosphor are observed and analyzed via its luminescence properties. Lifetimes of CaSb2O6:5 %Eu3+, yBi3+ phosphor (0.5 ≤ y ≤ 5 mol%) are investigated, which further confirm that ET process can be formed between Eu3+ ion and Bi3+ ion. The luminous mechanism is explained via the energy level diagrams of Bi3+ and Eu3+ ions. The emission properties indicate that CaSb2O6:Eu3+, Bi3+ phosphor has a potential application for white LEDs based on near UV (~394 nm) LED chip.