ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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White emission from Tm3+/Tb3+/Eu3+ co-doped fluoride zirconate under ultraviolet excitation |
Sun Jian (孙健)a b, Zhang Xiao-Song (张晓松)a b, Yuan Lin-Lin (苑琳琳)a b, Feng Zhi-Jun (冯志军)a b, Ling Zhi (凌志)a b, Li Lan (李岚)a b |
a College of Science, Tianjin University of Technology, Tianjin 300384, China; b Institute of Material Physics, Key Laboratory for Optoelectronic Materials and Devices of Tianjin, Key Laboratory of Display Materials and Photoelectric Devices of Ministry of Education, Tianjin University of Technology, Tianjin 300191, China |
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Abstract We synthesize Tm3+/Tb3+/Eu3+ triply-doped ZrF4-BaF2-LaF3-AlF3-NaF (ZBLAN) transparent glass by using a melt-quenching method. Under excitation of 365 nm, the white emission with Commission internationale deL'Eclairage (CIE) coordinates of (0.33, 0.33) is achieved at the Eu3+ concentration of 1.1 mol%. The mechanisms for white emission and the energy transfer process of Tb3+→Eu3+ are discussed in terms of the photoluminescence, photoluminescence excitation spectra, and the light emission decay curves. The nature for the Tb3+→Eu3+ energy transfer is described with the aid of an energy level diagram.
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Received: 02 April 2014
Revised: 06 May 2014
Accepted manuscript online:
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PACS:
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41.60.Dk
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(Transition radiation)
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42.66.Ne
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(Color vision: color detection, adaptation, and discrimination)
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42.70.Ce
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(Glasses, quartz)
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78.55.-m
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(Photoluminescence, properties and materials)
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Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 10904109, 60977035, and 60907021), the Natural Science Foundation of Tianjin City, China (Grant Nos. 10SYSYJC28100 and 11JCYBJC00300), and the National High Technology Research and Development Program of China (Grant No. 2013AA014201). |
Corresponding Authors:
Li Lan
E-mail: lilan@tjut.edu.cn
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Cite this article:
Sun Jian (孙健), Zhang Xiao-Song (张晓松), Yuan Lin-Lin (苑琳琳), Feng Zhi-Jun (冯志军), Ling Zhi (凌志), Li Lan (李岚) White emission from Tm3+/Tb3+/Eu3+ co-doped fluoride zirconate under ultraviolet excitation 2014 Chin. Phys. B 23 114103
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