Tricolor white emitting phosphor co-doped with Eu, Dy in SiO(2) matrix

CORC > 西安光学精密机械研究所 > 中国科学院西安光学精密机械研究所 > 瞬态光学技术国家重点实验室

	Tricolor white emitting phosphor co-doped with Eu, Dy in SiO(2) matrix
	Hu XiaoYun 1; Fan Jun 2; Zhang DeKai 1; Ma YiPing 1; Bai JinTao 3; Ren ZhaoYu 3; Hou Xun 3,4
刊名	chinese science bulletin
	2008-11-01
卷号	53 期号:22 页码:3491-3496
关键词	tricolor white-light sol-gel phosphor rare earth doped SiO(2) matrix
英文摘要	a eu, dy co-doped sio(2) matrix, white emitting phosphor was prepared by the sol-gel technique. strong red, green and blue emissions located at 618 nm, 573 nm and 400-550 nm were observed under uv laser excitation at room temperature. such techniques as ft-ir and tga-dsc were used to measure the microstructure of the luminescent material. the influence of the preparation techniques on the luminescence property of the eu, dy co-doped sio(2) matrix, such as anneal temperature, anneal time, dried atmosphere and the components of the matrix, was systematically studied, and the luminescence mechanism was interpreted. the red emission is the strongest when annealed at 750 degrees c. however, blue emission appears when annealed at 700 degrees c and is the intensest at 900 degrees c. for the samples dried in vacuum, eu(3+) is more easily deoxidized to eu(2+) at lower temperatures, because the samples dried in the air compared with that dried in vacuum need higher temperature to form network structures. only the sa and sab matrix annealed at 850 degrees c had blue emission in the four matrices (sa, sab, sb, s) xerogel and the emission in the sab matrix was stronger than that in the sa matrix. this may be due to the eutectic phase formed by the oxide boron, alkaline oxide and alumina in the sab matrix, which constructs network structures and stabilizes the emission center and enhances the blue emission.
WOS标题词	science & technology
类目[WOS]	multidisciplinary sciences
研究领域[WOS]	science & technology - other topics
关键词[WOS]	silica xerogels ; gel ; photoluminescence ; diode ; air
收录类别	SCI
语种	英语
WOS记录号	WOS:000260889200008
公开日期	2015-08-31
内容类型	期刊论文
源URL	[http://ir.opt.ac.cn/handle/181661/25218]
专题	西安光学精密机械研究所_瞬态光学技术国家重点实验室
作者单位	1.NW Univ Xian, Dept Phys, Xian 710069, Peoples R China 2.NW Univ Xian, Sch Chem Engn, Xian 710069, Peoples R China 3.NW Univ Xian, Prov Key Lab Photo Elect Technol, Inst Photon & Photon Technol, Xian 710069, Peoples R China 4.Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Technol, Xian 710068, Peoples R China
推荐引用方式 GB/T 7714	Hu XiaoYun,Fan Jun,Zhang DeKai,et al. Tricolor white emitting phosphor co-doped with Eu, Dy in SiO(2) matrix[J]. chinese science bulletin,2008,53(22):3491-3496.
APA	Hu XiaoYun.,Fan Jun.,Zhang DeKai.,Ma YiPing.,Bai JinTao.,...&Hou Xun.(2008).Tricolor white emitting phosphor co-doped with Eu, Dy in SiO(2) matrix.chinese science bulletin,53(22),3491-3496.
MLA	Hu XiaoYun,et al."Tricolor white emitting phosphor co-doped with Eu, Dy in SiO(2) matrix".chinese science bulletin 53.22(2008):3491-3496.