ICCAS OpenIR
Optical temperature sensing behavior of enhanced green upconversion emissions from Er-Mo:Yb2Ti2O7 nanophosphor
Cao, B. S.1,2; He, Y. Y.3; Feng, Z. Q.1; Li, Y. S.4; Dong, B.1
2011-11-28
Source PublicationSENSORS AND ACTUATORS B-CHEMICAL
ISSN0925-4005
Volume159Issue:1Pages:8-11
AbstractThe Er-Mo:Yb2Ti2O7 nanocrystalline phosphor has been prepared by sol-gel method and used as an optical thermometry. By Mo codoping, the green upconversion (UC) emission intensity increased about 250 times than that of Er:Yb2Ti2O7 under a 976 nm laser diode excitation. It indicates that such green enhancement arises from the high excited state energy transfer (HESET) with the (IF7/2)-F-2, T-3(2)> state of Yb3+-MoO42- dimer to the F-4(7/2) level of Er3+. The fluorescence intensity ratio (FIR) of the two green UC emissions bands was studied as a function of temperature in a range of 290-610K, and the maximum sensitivity and the temperature resolution were approximately 0.0074 K-1 and 0.1 K, respectively. It suggests that the Er-Mo:Yb2Ti2O7 nanophosphor with a higher green UC emissions efficiency is a promising prototype for applications in optical temperature sensing. (C) 2011 Published by Elsevier B.V.
KeywordEr-mo:Yb2ti2o7 Green Upconversion Emission High Energy Transfer Optical Temperature Sensing
DOI10.1016/j.snb.2011.05.018
Indexed BySCI
Language英语
WOS IDWOS:000295745900002
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:111[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/73794
Collection中国科学院化学研究所
Corresponding AuthorDong, B.
Affiliation1.Dalian Nationalities Univ, Sch Sci, Dalian 116600, Peoples R China
2.Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, Changchun 130022, Peoples R China
3.Univ Duisburg Essen, Fac Phys, D-47057 Duisburg, Germany
4.Zhejiang Univ, Coll Elect Engn, Hangzhou 310058, Zhejiang, Peoples R China
Recommended Citation
GB/T 7714
Cao, B. S.,He, Y. Y.,Feng, Z. Q.,et al. Optical temperature sensing behavior of enhanced green upconversion emissions from Er-Mo:Yb2Ti2O7 nanophosphor[J]. SENSORS AND ACTUATORS B-CHEMICAL,2011,159(1):8-11.
APA Cao, B. S.,He, Y. Y.,Feng, Z. Q.,Li, Y. S.,&Dong, B..(2011).Optical temperature sensing behavior of enhanced green upconversion emissions from Er-Mo:Yb2Ti2O7 nanophosphor.SENSORS AND ACTUATORS B-CHEMICAL,159(1),8-11.
MLA Cao, B. S.,et al."Optical temperature sensing behavior of enhanced green upconversion emissions from Er-Mo:Yb2Ti2O7 nanophosphor".SENSORS AND ACTUATORS B-CHEMICAL 159.1(2011):8-11.
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