Optical and structural stability of blue SrO:Eu²⁺ phosphor

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• 作者：Keiji Komatsu ; Atsushi Nakamura ; Shigeo Ohshio ; Ikumi Toda ; Hiroyuki Muramatsu ; Hidetoshi Saitoh
• 关键词：Strontium oxide (SrO) ; Chemical stability ; Reaction in water
• 刊名：Journal of Solid State Chemistry
• 出版年：2013
• 出版时间：August, 2013
• 年：2013
• 卷：204
• 期：Complete
• 页码：186-189
• 全文大小：911 K

文摘

Chemical stability of 6-coodinated SrO is a fundamental problem when this is used for various applications. In this study, optical and chemical stabilities of 8-coordinated SrO:Eu²⁺ phosphor were investigated. SrO:Eu²⁺ phosphor was synthesized from thermal treatment of SrO:Eu powder located on a single crystalline MgO at 1500¡ã C under reduction atmosphere. Obtained 8-coordinated SrO:Eu²⁺ phosphor exhibit strong blue luminescence and chemical stability in distilled water for 3 days. Our findings prove that obtained 8-coordinated SrO:Eu²⁺ possesses relative optical and chemical stabilities in water.