Observation of a red Ce3+ center in SrLu2O4:Ce3+ phosphor and its potential application in temperature sensing

doi:10.1039/c9dt00789j

CIOMP OpenIR

	Observation of a red Ce3+ center in SrLu2O4:Ce3+ phosphor and its potential application in temperature sensing
	S.Zhang; Z.D.Hao; L.L.Zhang; G.H.Pan; H.J.Wu; H.Wu; Y.S.Luo
	2019
发表期刊	Dalton Transactions
ISSN	1477-9226
卷号	48 期号:16 页码:5263-5270
摘要	In Ce3+ activated SrLn(2)O(4) type phosphors (Ln = Y, Lu, Sc, etc.) only one Ce3+ center was previously reported to show a blue emission band. In this paper, we report the observation of a second Ce3+ center in SrLu2O4:Ce3+. The new center shows a red emission band peaking at 600 nm with an excitation band at 485 nm. We attributed the new center (Ce(ii)) to the substitution of the Lu3+ site and the original blue center (Ce(i)) to the substitution of the Sr2+ site. Spectroscopy studies indicate that Ce(i) centers are preferentially formed at a low doping concentration and the number ratio of Ce(i)/Ce(ii) decreases with increasing Ce3+ concentration until beyond 0.002. The fluorescence lifetimes of the two centers were measured for various doping concentrations. Energy transfer from Ce(i) to Ce(ii) was observed. It was found that the emission intensity of Ce(ii) centers reduces much faster than that of Ce(i) with increasing temperature from 83 K up to 350 K, implying their potential application in temperature sensing based on their temperature dependent intensity ratios. A relative sensing sensitivity as high as 2.28% K-1 at 283 K was achieved.
关键词	up-conversion luminescence,energy-transfer,emitting phosphor,photoluminescence properties,high-efficiency,behavior,thermometry,emission,stability,srsc2o4,Chemistry
DOI	10.1039/c9dt00789j
URL	查看原文
收录类别	SCI ; EI
语种	英语
引用统计
文献类型	期刊论文
条目标识符	http://ir.ciomp.ac.cn/handle/181722/62791
专题	中国科学院长春光学精密机械与物理研究所
推荐引用方式 GB/T 7714	S.Zhang,Z.D.Hao,L.L.Zhang,et al. Observation of a red Ce3+ center in SrLu2O4:Ce3+ phosphor and its potential application in temperature sensing[J]. Dalton Transactions,2019,48(16):5263-5270.
APA	S.Zhang.,Z.D.Hao.,L.L.Zhang.,G.H.Pan.,H.J.Wu.,...&Y.S.Luo.(2019).Observation of a red Ce3+ center in SrLu2O4:Ce3+ phosphor and its potential application in temperature sensing.Dalton Transactions,48(16),5263-5270.
MLA	S.Zhang,et al."Observation of a red Ce3+ center in SrLu2O4:Ce3+ phosphor and its potential application in temperature sensing".Dalton Transactions 48.16(2019):5263-5270.

条目包含的文件		下载所有文件
文件名称/大小	文献类型	版本类型	开放类型	使用许可
Observation of a red（2782KB）	期刊论文	出版稿	开放获取	CC BY-NC-SA	浏览下载