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Citation: ZHENG Cui-Hong, ZHU Wei-Chang, WANG Lu. Preparation and Luminescent Properties of Y_0.95Eu_0.05(P_1-xV_x)O₄ Phosphor Powders[J]. Chinese Journal of Applied Chemistry, ;2008, 25(8): 986-988. shu

Preparation and Luminescent Properties of Y_0.95Eu_0.05(P_1-xV_x)O₄ Phosphor Powders

1.
School of Material Science and Engineering, Anhui Key Laboratory of Metal Materials and Processing, Anhui University of Technology, Ma'anshan 243002

Corresponding author: ZHENG Cui-Hong,
Received Date: 21 September 2007
Available Online: 16 December 2007
Fund Project: 安徽省教育厅自然科学研究计划(2006KJ033B)资助项目 (2006KJ033B)

The red-emitting Y_0.95Eu_0.05(P_1-xV_x)O₄(x:0, 0.8) phosphor powders were prepared by co-precipitation route. Their phase compositions, morphologies, and luminescent properties were characterized by X-ray diffraction(XRD), transmission electron microscopy(TEM) and vacuum ultraviolet emission spectroscopy(VUV), respectively. The results show that the particles in the two phosphor samples are overall spherical-shaped with a mean size of ~300 nm, and their main emission peaks under 147 nm VUV excitation are located at 619 nm. In comparison with Y_0.95Eu_0.05PO₄ phosphor, Y_0.95Eu_0.05(P_0.2V_0.8)O₄ phosphor is a more promising candidate for red-emitting PDP phosphor application due to its higher homochromy and its chroma-ticity coordinates closer to flammulated chromaticity coordinates (0.67, 0.33) regulated by National Television Standard Committee.
- Y_0.95Eu_0.05(P_1-xV_x)O₄ red phosphor,
- chromaticity coordinates,
- emission spectra,
- co-precipitation
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Preparation and Luminescent Properties of Y_0.95Eu_0.05(P_1-xV_x)O₄ Phosphor Powders