Synthesis and Photoluminescence Properties of Two-Bands Excited SrSi2O2N2: Yb2+ Phosphors

Xue Wen Xu; Kun Fu; Long Hu; Zun Ming Lu; Xing Hua Zhang; Cheng Chun Tang

doi:10.4028/www.scientific.net/AMR.430-432.315

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 430-432Synthesis and Photoluminescence Properties of...

Synthesis and Photoluminescence Properties of Two-Bands Excited SrSi₂O₂N₂: Yb²⁺ Phosphors

Abstract:

The crystal structure and luminescent properties of synthesized SrSi2O2N2: Yb2+ phosphors have been investigated to seek for convention phosphor for white light-emitting diode applications. The Sr1-xYbxSi2O2N2 phosphors have yellow-red luminescence under the exciting of blue light, which is attributed to the 4fn↔4fn-15d transitions of Yb2+. Although the chemical compositions for Sr1-xYbxSi2O2N2 materials are different, no shifts are observed from the excitation and emission spectra.

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Advanced Materials Research (Volumes 430-432)

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315-318

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https://doi.org/10.4028/www.scientific.net/AMR.430-432.315

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Online since:

January 2012

Authors:

Xue Wen Xu, Kun Fu, Long Hu, Zun Ming Lu, Xing Hua Zhang, Cheng Chun Tang

Keywords:

Oxynitride, Phosphor, Photoluminescence (PL)

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