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Dy3+-activated M2SiO4 (M = Ba, Mg, Sr)-type phosphors

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Abstract

The alkaline orthosilicates of M2SiO4 (M = Ba, Mg, Sr) activated with Dy3+ and co-doped with Ho3+ are prepared through conventional solid-state method, i.e., mixing and grinding of solid form precursors followed by high-temperature heat treatments of several hours in furnaces, generally under open atmosphere and investigated by X-ray diffraction (XRD) to get phase properties and photoluminescence (PL) analysis to get luminescence properties. The thermal behaviours of well-mixed samples were determined by differential thermal analysis (DTA)/thermogravimetry (TG). The PL spectra show that the 478 and 572 nm maximum emission bands are attributed, respectively, to 4F9/2 → 6H15/2 and 4F9/2 → 6H13/2 transitions of Dy3+ ions.

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Acknowledgements

We would like to thank to Karamanoglu Mehmetbey University, Scientific Research Projects Comission (BAP), 18-M-14, Republic of Turkey, for the financial support.

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Authors and Affiliations

  1. Faculty of Engineering, Department of Metallurgy and Materials Engineering, Karamanoğlu Mehmetbey University, Karaman, 70200, Turkey

    ESRA ÖZTÜRK & ERKUL KARACAOGLU

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  1. ESRA ÖZTÜRK
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  2. ERKUL KARACAOGLU
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Correspondence to ESRA ÖZTÜRK.

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ÖZTÜRK, E., KARACAOGLU, E. Dy3+-activated M2SiO4 (M = Ba, Mg, Sr)-type phosphors. Bull Mater Sci 40, 25–30 (2017). https://doi.org/10.1007/s12034-016-1349-x

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  • DOI: https://doi.org/10.1007/s12034-016-1349-x

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