Cathodoluminescence Properties of Ba3Si6O9N4:Eu2+ Phosphors

Aijun Mao, Zhengyan Zhao, Yuhua Wang, Quansheng Wu, Xicheng Wang, Chuang Wang, Yanyan Li
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引用次数: 3

Abstract

Ba3-xSi6O9N4:xEu(2+) (0.03 <= x <= 0.10) phosphors were successfully synthesized by a solid state reaction method. Under electron beam excitation, the cathodoluminescence intensity reached a maximum at x = 0.07. The corresponding emission spectrum peaked at similar to 493 nm (full-width at half maximum approximate to 46 nm) with CIE coordinate of (0.101, 0.418). The results show that Ba2.93Si6O9N4:0.07Eu(2+) phosphor exhibits high brightness, high color purity, and a higher thermal stability compared to the commercial green Topstar, LMS520B phosphor, which indicates that it could be a candidate for field-emission displays (FEDs). (C) 2015 The Electrochemical Society. All rights reserved.
Ba3Si6O9N4:Eu2+荧光粉的阴极发光特性
采用固相反应法制备了Ba3-xSi6O9N4:xEu(2+) (0.03 <= x <= 0.10)荧光粉。在电子束激发下,阴极发光强度在x = 0.07处达到最大值。对应的发射光谱峰值约为493 nm(全宽半峰约为46 nm), CIE坐标为(0.101,0.418)。结果表明,与商用绿色Topstar, LMS520B荧光粉相比,Ba2.93Si6O9N4:0.07Eu(2+)荧光粉具有高亮度,高色纯度和更高的热稳定性,可以作为场发射显示器(FEDs)的候选材料。(C) 2015中国电化学会。版权所有。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ECS Solid State Letters
ECS Solid State Letters MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED
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