Synthesis and luminescent properties of europium-activated Ca2SnO4 phosphors by sol-gel method |
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Authors: | Zuoling Fu |
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Institution: | Department of Physics, Pukyong National University, Busan 608-737, South Korea |
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Abstract: | In this paper, the Ca2SnO4:Eu3+ phosphor was prepared by low-temperature sol-gel method. The influence of calcined temperature and time on structure of Ca2SnO4:Eu3+ was investigated by using X-ray powder diffraction (XRD). The experimental results show that the dried gel was crystallized to the pure orthorhombic phase after calcination at 900 °C in air for 6 h. These phosphors have displayed bright red color under a UV source. The richness of the red color has been verified by determining their color coordination from the CIE standard charts, and this red emission has been assigned to 5D0→7F2 electric dipole transition at 616 and 620 nm. The excellent luminescence properties make it possible as a good candidate for plasma display panel (PDP) application. |
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Keywords: | 78 20 &minus e |
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