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The influence of cation additives on the NIR luminescence intensity of Er3+-doped borate glasses |
Zhou Yong-Liang(周永亮), Zhang Xiao-Song(张晓松), Xu Jian-Ping(徐建萍), Zhang Zhong-Peng(张忠朋), Zhang Gao-Feng(张高峰), Wei Feng-Wei(魏凤巍), and Li Lan (李岚)† |
Institute of Material Physics, Key Laboratory of Display Materials and Photoelectric Devices, Ministry of Education, Tianjin University of Technology, Tianjin 300384, China |
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Abstract Er3+-doped 25BaO-(25-x)SiO2-xAl2O3-25B2O3 transparent glasses are prepared with x=0, 12.5 and 25 by a solid-state reaction. The Er-related NIR luminescence intensity, which corresponds to the transition of 4I15/2-4I13/2, is obviously altered with different silicon/aluminum ratios. The Judd-Ofelt parameters of the Er3+ ions are adopted to explain the intensity change in the NIR fluorescence, and the Raman scattering intensity versus the amount of Al and/or Si components are discussed. The spectra of the three samples are quite similar in the peak positions, but different in intensity. The maximal phonon density of state for the samples is calculated from the Raman spectra and is correlated to the NIR luminescence efficiency.
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Received: 12 August 2011
Revised: 16 February 2012
Accepted manuscript online:
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PACS:
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63.20.-e
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(Phonons in crystal lattices)
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95.30.Ky
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(Atomic and molecular data, spectra, and spectralparameters (opacities, rotation constants, line identification, oscillator strengths, gf values, transition probabilities, etc.))
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64.70.ph
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(Nonmetallic glasses (silicates, oxides, selenides, etc.))
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Fund: Project supported by the Natural Science Foundation of Tianjin (Grant Nos. 09JCYBJC01400 and 11JCYBJC00300), the Natural Science Foundation of the Tianjin Education Committee (Grant No. 20071207), and Tianjin Key Subject for Materials Physics and Chemistry. |
Corresponding Authors:
Li Lan
E-mail: lilan@tjut.edu.cn
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Cite this article:
Zhou Yong-Liang(周永亮), Zhang Xiao-Song(张晓松), Xu Jian-Ping(徐建萍), Zhang Zhong-Peng(张忠朋), Zhang Gao-Feng(张高峰), Wei Feng-Wei(魏凤巍), and Li Lan (李岚) The influence of cation additives on the NIR luminescence intensity of Er3+-doped borate glasses 2012 Chin. Phys. B 21 066301
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