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题名: Redox-induced reversible luminescence switching of cerium-doped upconversion nanoparticles
作者: Huang, YA; Xiao, QB(肖清波); Wang, J; Xi, YL; Li, FJ; Feng, YM; Shi, LY; Lin, HZ(蔺洪振)
通讯作者: Xiao, QB(肖清波) ; Lin, HZ(蔺洪振)
刊名: JOURNAL OF LUMINESCENCE
发表日期: 2016
DOI: 10.1016/j.jlumin.2015.12.040
卷: 173
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 纳米研究国际实验室
英文摘要: Smart upconversion nanophosphors (UCNPs) that can be reversibly switched between two or more luminescent states by certain external stimuli have attracted considerable attention due to their great potential in biological applications. Here we report for the first time a type of redox-switchable UCNPs by codoping NaGdF4:Yb/Er nanorods with the redox-active Ce3+/Ce4+ ion pairs. A reversible switching of their UC luminescence intensity was observed upon the variation of the surrounding redox environments. We show solid proof that the luminescence switching is caused by the tailoring of the NaGdF4 host crystal structure in response to changing redox state of the codoped cerium ions. A proof-of-concept example is further demonstrated by using these UCNPs for probing the dynamical variation of redox environments in biological tissues. (C) 2016 Elsevier B.V. All rights reserved.
关键词[WOS]: ENERGY-TRANSFER ; NANO-BIOPROBES ; QUANTUM DOTS ; NANOCRYSTALS ; NANOPHOSPHORS ; OXIDE ; IONS ; PHOTOLUMINESCENCE ; BIODETECTION ; ENHANCEMENT
语种: 英语
JCR小类分区: 二区
WOS记录号: WOS:000371799200012
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4845
Appears in Collections:纳米研究国际实验室_蔺洪振团队_期刊论文

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Recommended Citation:
Huang, YA,Xiao, QB,Wang, J,et al. Redox-induced reversible luminescence switching of cerium-doped upconversion nanoparticles[J]. JOURNAL OF LUMINESCENCE,2016,173.
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