Preparation and Performance Study of Single-host White-emitting Phosphor GdPO∶Dy AITranslate
Abstract AITranslate
Single-host white-emitting Gd3PO7∶Dy^3+ phosphor was synthesized by wet chemical method.The phase structure,morphologies and optical properties of the as-prepared samples were characterized by X-ray powder diffraction(XRD),scanning electron microscope(SEM),Fourier transform infrared spectroscopy(FT-IR),and fluorescence spectroscopy.The XRD results show that the samples are Dy^3+ doped Gd3PO7 crystals with monoclinic structure and slight impurity.The fluorescence spectra show that under the excitation with the characteristic excitation band of Gd^3+ ions at 276 nm,Gd3PO7∶Dy^3+ samples emit the characteristic emission bands of Dy^3+ ions in yellow light region(4F9/2→6H13/2) and blue light region(4F9/2→6H15/2),which indicates that the energy transfer from Gd^3+ to Dy^3+ occurs in the Gd3PO7∶Dy^3+matrix.The luminescence intensity of the samples depends on pH values and Dy^3+ dosage.When the pH value is 6.00 and the Dy^3+ dosage is 0.5%,the sample exhibits a relatively high luminescence intensity.The Dy^3+ dosage directly affects the luminescence color of Gd3PO7∶Dy^3+ samples,and the as-synthesized Gd3PO7∶Dy^3+ sample with 3% Dy^3+ can emit white light with the coordinate of(0.335,0.345),which indicates that Gd3PO7∶Dy^3+ is a potential single-host white-emitting phosphor.
KeyWords AITranslate
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Basic Information:
DOI：
Chinese Library Classification Number:O482.31[理学—固体物理]
Citation Information:
Single-host white-emitting Gd3PO7∶Dy^3+ phosphor was synthesized by wet chemical method.The phase structure,morphologies and optical properties of the as-prepared samples were characterized by X-ray powder diffraction(XRD),scanning electron microscope(SEM),Fourier transform infrared spectroscopy(FT-IR),and fluorescence spectroscopy.The XRD results show that the samples are Dy^3+ doped Gd3PO7 crystals with monoclinic structure and slight impurity.The fluorescence spectra show that under the excitation with the characteristic excitation band of Gd^3+ ions at 276 nm,Gd3PO7∶Dy^3+ samples emit the characteristic emission bands of Dy^3+ ions in yellow light region(4F9/2→6H13/2) and blue light region(4F9/2→6H15/2),which indicates that the energy transfer from Gd^3+ to Dy^3+ occurs in the Gd3PO7∶Dy^3+matrix.The luminescence intensity of the samples depends on pH values and Dy^3+ dosage.When the pH value is 6.00 and the Dy^3+ dosage is 0.5%,the sample exhibits a relatively high luminescence intensity.The Dy^3+ dosage directly affects the luminescence color of Gd3PO7∶Dy^3+ samples,and the as-synthesized Gd3PO7∶Dy^3+ sample with 3% Dy^3+ can emit white light with the coordinate of(0.335,0.345),which indicates that Gd3PO7∶Dy^3+ is a potential single-host white-emitting phosphor.
quote
| GB/T 7714-2015 | [1] ZHANG Ling, RAO Qi-liang, GUO Hai-rui, et al. Preparation and Performance Study of Single-host White-emitting Phosphor GdPO∶Dy[J]. Rare Metals and Cemented Carbides, 2020(5): 41-47. |
| MLA | [1] ZHANG Ling, et al., "Preparation and Performance Study of Single-host White-emitting Phosphor GdPO∶Dy." Rare Metals and Cemented Carbides, no. 5, 2020, pp. 41-47. |
| APA | [1] ZHANG Ling, RAO Qi-liang, GUO Hai-rui, ZHU Hao-tian, ZHU Li-ping, & YANG Jin-yu. (2020). Preparation and Performance Study of Single-host White-emitting Phosphor GdPO∶Dy. Rare Metals and Cemented Carbides(5), 41-47. |
| IEEE | [1] ZHANG Ling, RAO Qi-liang, GUO Hai-rui, ZHU Hao-tian, ZHU Li-ping, and YANG Jin-yu, "Preparation and Performance Study of Single-host White-emitting Phosphor GdPO∶Dy," Rare Metals and Cemented Carbides, no. 5, pp. 41-47, 2020. keywords: {Gd3PO7;single-host phosphors;Dy^3+doping;white-emitting;energy transfer} |