Effect of Mg                         2+                          and fluorine on the network and highly efficient photoluminescence of Eu                         3+                          ion in MgF                         2                         –BaO–B                         2                         O                         3                          glasses

Kenji Shinozaki; Sohei Sukenaga; Hiroyuki Shibata; Tomoko Akai

doi:10.1111/jace.16165

Effect of Mg ²⁺ and fluorine on the network and highly efficient photoluminescence of Eu ³⁺ ion in MgF ₂ –BaO–B ₂ O ₃ glasses

Kenji Shinozaki, Sohei Sukenaga, Hiroyuki Shibata, Tomoko Akai

Division of Process and System Engineering

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

The glass structure and photoluminescence of new oxyfluoride glasses with the composition of xMgF ₂ –(66.7−2x/3)BaO–(33.3−x/3)B ₂ O ₃ (x = 10-50 mol%) were investigated in this work. The structure of the glasses was investigated by magic-angle spinning NMR, XAS, and Raman scattering spectroscopies. It was revealed that the glasses are mainly composed of BO ₃ units with a disconnected borate network consisting mainly of ortho- and pyro-borate units, and ortho-borate increases with the addition of MgF ₂ . The fluorine atoms are surrounded by Mg ²⁺ and Ba ²⁺ ions. The photoluminescence of Eu ³⁺ -doped samples were investigated. It was indicated that asymmetry of the Eu ³⁺ site increased with the addition of MgF ₂ . The photoluminescence quantum yield (η) of the glasses are very high and increased with MgF ₂ addition; red photoluminescence is observed with η = 82% for 10MgF ₂ and η = 98% for 50MgF ₂ for excitation at 393 nm.

Original language	English
Pages (from-to)	2531-2541
Number of pages	11
Journal	Journal of the American Ceramic Society
Volume	102
Issue number	5
DOIs	https://doi.org/10.1111/jace.16165
Publication status	Published - 2019 May

Keywords

fluorine
glass
optical materials
photoluminescence
rare earth

ASJC Scopus subject areas

Ceramics and Composites
Materials Chemistry

Access to Document

10.1111/jace.16165

Cite this

Shinozaki, K., Sukenaga, S., Shibata, H., & Akai, T. (2019). Effect of Mg ²⁺ and fluorine on the network and highly efficient photoluminescence of Eu ³⁺ ion in MgF ₂ –BaO–B ₂ O ₃ glasses Journal of the American Ceramic Society, 102(5), 2531-2541. https://doi.org/10.1111/jace.16165

Effect of Mg ²⁺ and fluorine on the network and highly efficient photoluminescence of Eu ³⁺ ion in MgF ₂ –BaO–B ₂ O ₃ glasses . / Shinozaki, Kenji; Sukenaga, Sohei ; Shibata, Hiroyuki et al.

In: Journal of the American Ceramic Society, Vol. 102, No. 5, 05.2019, p. 2531-2541.

Research output: Contribution to journal › Article › peer-review

Shinozaki, K, Sukenaga, S , Shibata, H & Akai, T 2019, ' Effect of Mg ²⁺ and fluorine on the network and highly efficient photoluminescence of Eu ³⁺ ion in MgF ₂ –BaO–B ₂ O ₃ glasses ', Journal of the American Ceramic Society, vol. 102, no. 5, pp. 2531-2541. https://doi.org/10.1111/jace.16165

Shinozaki K, Sukenaga S , Shibata H, Akai T. Effect of Mg ²⁺ and fluorine on the network and highly efficient photoluminescence of Eu ³⁺ ion in MgF ₂ –BaO–B ₂ O ₃ glasses Journal of the American Ceramic Society. 2019 May;102(5):2531-2541. doi: 10.1111/jace.16165

Shinozaki, Kenji ; Sukenaga, Sohei ; Shibata, Hiroyuki et al. / Effect of Mg ²⁺ and fluorine on the network and highly efficient photoluminescence of Eu ³⁺ ion in MgF ₂ –BaO–B ₂ O ₃ glasses In: Journal of the American Ceramic Society. 2019 ; Vol. 102, No. 5. pp. 2531-2541.

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title = " Effect of Mg 2+ and fluorine on the network and highly efficient photoluminescence of Eu 3+ ion in MgF 2 –BaO–B 2 O 3 glasses ",

abstract = " The glass structure and photoluminescence of new oxyfluoride glasses with the composition of xMgF 2 –(66.7−2x/3)BaO–(33.3−x/3)B 2 O 3 (x = 10-50 mol%) were investigated in this work. The structure of the glasses was investigated by magic-angle spinning NMR, XAS, and Raman scattering spectroscopies. It was revealed that the glasses are mainly composed of BO 3 units with a disconnected borate network consisting mainly of ortho- and pyro-borate units, and ortho-borate increases with the addition of MgF 2 . The fluorine atoms are surrounded by Mg 2+ and Ba 2+ ions. The photoluminescence of Eu 3+ -doped samples were investigated. It was indicated that asymmetry of the Eu 3+ site increased with the addition of MgF 2 . The photoluminescence quantum yield (η) of the glasses are very high and increased with MgF 2 addition; red photoluminescence is observed with η = 82% for 10MgF 2 and η = 98% for 50MgF 2 for excitation at 393 nm. ",

keywords = "fluorine, glass, optical materials, photoluminescence, rare earth",

author = "Kenji Shinozaki and Sohei Sukenaga and Hiroyuki Shibata and Tomoko Akai",

note = "Funding Information: This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports, Culture and Technology, Japan (16K18233). The synchrotron radiation experiments were performed at the BL14B2 of SPring-8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal No. 2017B1008). Funding Information: This work was supported by a Grant‐in‐Aid for Scientific Research from the Ministry of Education, Science, Sports, Culture and Technology, Japan (16K18233). The synchrotron radiation experiments were performed at the BL14B2 of SPring‐8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal No. 2017B1008). Publisher Copyright: {\textcopyright} 2018 The American Ceramic Society",

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AU - Akai, Tomoko

N1 - Funding Information: This work was supported by a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports, Culture and Technology, Japan (16K18233). The synchrotron radiation experiments were performed at the BL14B2 of SPring-8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal No. 2017B1008). Funding Information: This work was supported by a Grant‐in‐Aid for Scientific Research from the Ministry of Education, Science, Sports, Culture and Technology, Japan (16K18233). The synchrotron radiation experiments were performed at the BL14B2 of SPring‐8 with the approval of the Japan Synchrotron Radiation Research Institute (JASRI) (Proposal No. 2017B1008). Publisher Copyright: © 2018 The American Ceramic Society

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N2 - The glass structure and photoluminescence of new oxyfluoride glasses with the composition of xMgF 2 –(66.7−2x/3)BaO–(33.3−x/3)B 2 O 3 (x = 10-50 mol%) were investigated in this work. The structure of the glasses was investigated by magic-angle spinning NMR, XAS, and Raman scattering spectroscopies. It was revealed that the glasses are mainly composed of BO 3 units with a disconnected borate network consisting mainly of ortho- and pyro-borate units, and ortho-borate increases with the addition of MgF 2 . The fluorine atoms are surrounded by Mg 2+ and Ba 2+ ions. The photoluminescence of Eu 3+ -doped samples were investigated. It was indicated that asymmetry of the Eu 3+ site increased with the addition of MgF 2 . The photoluminescence quantum yield (η) of the glasses are very high and increased with MgF 2 addition; red photoluminescence is observed with η = 82% for 10MgF 2 and η = 98% for 50MgF 2 for excitation at 393 nm.

AB - The glass structure and photoluminescence of new oxyfluoride glasses with the composition of xMgF 2 –(66.7−2x/3)BaO–(33.3−x/3)B 2 O 3 (x = 10-50 mol%) were investigated in this work. The structure of the glasses was investigated by magic-angle spinning NMR, XAS, and Raman scattering spectroscopies. It was revealed that the glasses are mainly composed of BO 3 units with a disconnected borate network consisting mainly of ortho- and pyro-borate units, and ortho-borate increases with the addition of MgF 2 . The fluorine atoms are surrounded by Mg 2+ and Ba 2+ ions. The photoluminescence of Eu 3+ -doped samples were investigated. It was indicated that asymmetry of the Eu 3+ site increased with the addition of MgF 2 . The photoluminescence quantum yield (η) of the glasses are very high and increased with MgF 2 addition; red photoluminescence is observed with η = 82% for 10MgF 2 and η = 98% for 50MgF 2 for excitation at 393 nm.

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