2008•Chinese Optics LettersRequires access

Effect of charge compensation on emission spectrum of Ca2SiO4:Dy3+ phosphor

李盼来李盼来, 张子才张子才, 张坤张坤, 杨志平杨志平, 王志军王志军, 郭庆林郭庆林, Panlai Li, Zicai Zhang Zicai Zhang, Kun Zhang, Zhi-ping Yang, Zhijun Wang, and Qinglin Guo and Qinglin Guo

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Abstract

The Ca2SiO4:Dy3+ phosphor was synthesized by the high temperature solid-state reaction method in air. The emission spectrum of Ca2SiO4:Dy3+ phosphor shows several bands at 486, 575, and 665 nm under the 365-nm excitation. The effects of Li+, Na+, and K+ on the emission spectrum of Ca2SiO4:Dy3+ phosphor were studied. The results show that the emission spectrum intensity is greatly influenced by Li+, Na+, and K+. The charge compensation concentration corresponding to the maximum emission intensity is different with different charge compensations.

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Key concepts: Phosphor, Emission intensity, Materials science, Emission spectrum, Compensation (psychology), Charge (physics), Optics, Intensity (physics)