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Optics Letters

Optics Letters


  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 14 — Jul. 15, 2014
  • pp: 4164–4167

Excellent optical thermometry based on single-color fluorescence in spherical NaEuF4 phosphor

Yue Tian, Bining Tian, Cai’e Cui, Ping Huang, Lei Wang, and Baojiu Chen  »View Author Affiliations

Optics Letters, Vol. 39, Issue 14, pp. 4164-4167 (2014)

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Temperature-dependent luminescence of spherical NaEuF4 phosphors with different particle sizes was studied. The thermally coupled D50 and D51 level of Eu3+ was observed. The linear dependence of emission intensities of D50 level of NaEuF4 phosphor on temperature confirmed the excellent temperature sensing performance. Sensitivity up to 0.43% is achieved via decreasing the particle size, which is higher than that of reported thermometry based on upconversion of lanthanide ions. Moreover, the original luminescent intensity of 90% was recovered after 10 temperature-changed cycles, indicating good sensing stability. Therefore, spherical NaEuF4 phosphor might be a promising candidate for optical temperature sensors.

© 2014 Optical Society of America

OCIS Codes
(160.4670) Materials : Optical materials
(300.2140) Spectroscopy : Emission
(280.4788) Remote sensing and sensors : Optical sensing and sensors

ToC Category:
Remote Sensing and Sensors

Original Manuscript: April 23, 2014
Revised Manuscript: May 25, 2014
Manuscript Accepted: June 9, 2014
Published: July 9, 2014

Virtual Issues
Vol. 9, Iss. 9 Virtual Journal for Biomedical Optics

Yue Tian, Bining Tian, Cai’e Cui, Ping Huang, Lei Wang, and Baojiu Chen, "Excellent optical thermometry based on single-color fluorescence in spherical NaEuF4 phosphor," Opt. Lett. 39, 4164-4167 (2014)

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