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Improved temperature sensing performance based on Stark sublevels of Er3+/Yb3+ co-doped tungstate-molybdate up-conversion phosphors
Zhao, Y; Wang, XS; Hu, R; Zhang, Y; Li, YX; Yao, X
2020-11-01
Source PublicationMATERIALS RESEARCH BULLETIN
ISSN0025-5408
SubtypeArticle
AbstractHerein, a new up-conversion temperature sensor of LiCaLa(W0.1Mo0.9O4)(3):0.04 Er3+/0.1Yb(3+) phosphors that exhibit strong luminescence intensity, improved and good repeatable temperature sensing performance and stability, was reported for the first time. All samples show typical tetragonal scheelite structures and exhibit typical up-conversion luminescence. Three distinct emission bands correspond to two strong green (H-2(11/2)/S-4(3/2) -> I-4(15/2)) and a weak red (F-4(9/2) -> I-4(15/2)) bands, respectively. WO42- and MoO42- with similar properties can be replaced with each other to improve the crystal field and ultimately improve the luminescence efficiency. Interestingly, the fluorescence intensity ratios of the two sublevels (S-4(3/2(1)) and S-4(3/2(2))) and H-2(11/2) increase with the increase of temperature, indicating the improvement of temperature sensing performance. The S-A-(ma)x are 0.0134 K-1 and 0.0104 K-1, and S-R(-)ma(x) are 0.0434 K-1 and 0.0548 K-1 for H-2(11/2)/S-4(3/2(1)) and H-2(11/2)/S-4(3/2(2)), respectively. Therefore, the tungstate-molybdate up-conversion luminescence materials has a potential application prospect of optical temperature sensor.
DOI10.1016/j.materresbull.2020.110959
WOS KeywordFLUORESCENCE INTENSITY RATIO ; ENERGY-TRANSFER ; LUMINESCENCE ; THERMOMETRY ; BEHAVIOR ; COLOR ; DEPENDENCE ; EMISSION ; CAWO4 ; SM3+
Language英语
WOS Research AreaMaterials Science
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27662
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Zhao, Y,Wang, XS,Hu, R,et al. Improved temperature sensing performance based on Stark sublevels of Er3+/Yb3+ co-doped tungstate-molybdate up-conversion phosphors[J]. MATERIALS RESEARCH BULLETIN,2020.
APA Zhao, Y,Wang, XS,Hu, R,Zhang, Y,Li, YX,&Yao, X.(2020).Improved temperature sensing performance based on Stark sublevels of Er3+/Yb3+ co-doped tungstate-molybdate up-conversion phosphors.MATERIALS RESEARCH BULLETIN.
MLA Zhao, Y,et al."Improved temperature sensing performance based on Stark sublevels of Er3+/Yb3+ co-doped tungstate-molybdate up-conversion phosphors".MATERIALS RESEARCH BULLETIN (2020).
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