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Observation of Intra- and Inter-Configurational Luminescence of Pr3+-Doped Strontium Phosphate Glasses

Authors

  • Yinyao Liu,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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  • Jing Ren,

    Corresponding author
    • Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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  • Yu Tong,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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  • Tengfei Wang,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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  • Weina Xu,

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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  • Guorong Chen

    1. Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai, China
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Author to whom correspondence should be addressed. e-mail: jing.ren@ecust.edu.cn.

Abstract

Emissions due to inter-configurational 4f15d1-4f2 electronic transitions of Pr3+ ions are scarcely observed in phosphate glasses. In this work, the intense UV emissions (at 311 and 327 nm) owing to the inter-configurational f-d transitions of Pr3+ have been reported in Pr3+-doped strontium phosphate glasses. Characteristic blue (481, 488 nm), green (522 nm), orange (597, 610 nm), and red (638 nm) emissions are also observed due to the intra-configurational f-f transitions. Possible mechanisms controlling the intra- and inter-configurational transitions of Pr3+ ions are discussed.

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