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Synthesis, characterization and luminescence properties of SrLa2(MoO4)4:Eu phosphors

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Abstract

SrLa2(MoO4)4 (SLM) phosphors doped with Eu3+ ions were prepared by a sol–gel combustion method using citric acid as a fuel/reductant and nitrates as oxidants. The crystallization processes were tracked by means of X-ray diffraction and thermo-gravimetric analysis and differential scanning calorimetry. The size and shape of the products were characterized using a scanning electron microscope, while the luminescent spectra of these resulting phosphors were recorded using a photoluminescence (PL) spectrophotometer. PL studies reveal that the emission intensity of SLM:Eu phosphors was strongly related to sintering temperature as well as the doping concentration of Eu3+ ions. The present phosphor has a strong excitation at 395 and 459 nm, indicating that it could serve as a promising red-emitting candidate for near-UV and GaN-based blue light-emitting diode chips.

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Acknowledgments

This work was financially supported by the National Nature Science Foundation of China (No. 31070517), the 973 Program (No. 2013CB932902) and NNSF of China (No. 21173042).

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Authors and Affiliations

  1. School of Chemistry and Chemical Engineering , Southeast University, Nanjing, 211189, Jiangsu, People’s Republic of China

    Naixu Li, Bingyao Zhou, Jiancheng Zhou & Yueming Sun

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  1. Naixu Li
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  2. Bingyao Zhou
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Correspondence to Jiancheng Zhou.

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Li, N., Zhou, B., Zhou, J. et al. Synthesis, characterization and luminescence properties of SrLa2(MoO4)4:Eu phosphors. J Sol-Gel Sci Technol 67, 196–202 (2013). https://doi.org/10.1007/s10971-013-3067-9

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  • DOI: https://doi.org/10.1007/s10971-013-3067-9

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