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Five-photon UV upconversion emissions of Er3+ for temperature sensing
Kezhi Zheng1; Weiye Song1; Guanghui He1; Zhen Yuan2; Weiping Qin1
2015
Source PublicationOptics Express
ISSN10944087
Volume23Issue:6Pages:7653
Abstract

Under 980 nm excitation, the temperature dependence of fivephoton UV (256 and 276 nm) upconversion luminescence in Yb3+-Er3+ codoped β4-NaLuF4 nanocrystals was studied from 303 K to 523 K. The 4D7/2 and 4G9/2 levels of Er3+ are confirmed to be thermally coupled levels. They are the highest energy states for optical thermometry known so far. By using fluorescence intensity ratio technique, optical temperature sensing characteristics based on the 4D7/2/4G9/24I15/2 transitions of Er3+ were reported here for the first time. The obtained sensitivity of this UV-based sensor is higher than that of green-based optical thermometer in low temperature range.

DOI10.1364/OE.23.007653
URLView the original
Indexed BySCIE
Language英语
WOS Research AreaOptics
WOS SubjectOptics
WOS IDWOS:000351765900060
The Source to ArticleScopus
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Cited Times [WOS]:74   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionFaculty of Health Sciences
INSTITUTE OF COLLABORATIVE INNOVATION
Corresponding AuthorWeiping Qin
Affiliation1.State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
2.Bioimaging Core, Faculty of Health Science, University of Macau, Taipa, Macau SAR, China
Recommended Citation
GB/T 7714
Kezhi Zheng,Weiye Song,Guanghui He,et al. Five-photon UV upconversion emissions of Er3+ for temperature sensing[J]. Optics Express,2015,23(6):7653.
APA Kezhi Zheng,Weiye Song,Guanghui He,Zhen Yuan,&Weiping Qin.(2015).Five-photon UV upconversion emissions of Er3+ for temperature sensing.Optics Express,23(6),7653.
MLA Kezhi Zheng,et al."Five-photon UV upconversion emissions of Er3+ for temperature sensing".Optics Express 23.6(2015):7653.
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