Investigation of SrBO:Sm as a Multimode Temperature Sensor with High Sensitivity.

ACS Appl Mater Interfaces

Department of Physics, University of Science and Technology of China, Hefei, Anhui 230026, P. R. China.

Published: December 2016

Sm-doped SrBO was synthesized for high-sensitivity thermometry. A high thermal-sensitive fluorescence intensity ratio and fluorescence lifetime were achieved in a wide temperature range. At 500 K, the relative sensitivity of the temperature sensing was 2.16% K for the fluorescence intensity ratio and 3.36% K for the fluorescence lifetime. Furthermore, the fluorescence color-shifted dramatically from deep red at room temperature to green at 700 K. On the basis of this color change, a visible temperature field was obtained on quartz glass covered with our sample, which made the thermal conduction and distribution visible to the human eye. The temperature of the temperature field was determined using two methods. These outstanding properties, combined with the high sensitivity, multimode for temperature sensing and thermal stability of the sample, make SrBO:Sm a promising material for highly sensitive thermometry applications.

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Source
http://dx.doi.org/10.1021/acsami.6b10917DOI Listing

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