(Ho, Tm, Yb): KLuW nanoparticles, an efficient thermometry sensor in the biological range

Ol. A. Savchuk; J. J. Carvajal; E. W. Barrera; M. C. Pujol; X. Mateos; R. Solé; J. Massons; M. Aguiló; F. Díaz

doi:10.1117/12.2003915

19 February 2013 (Ho, Tm, Yb): KLuW nanoparticles, an efficient thermometry sensor in the biological range

Ol. A. Savchuk, J. J. Carvajal, E. W. Barrera, M. C. Pujol, X. Mateos, R. Solé, J. Massons, M. Aguiló, F. Díaz

Proceedings Volume 8594, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications X; 859406 (2013) https://doi.org/10.1117/12.2003915
Event: SPIE BiOS, 2013, San Francisco, California, United States

Abstract

We studied up-conversion emission of triply doped (Ho,Tm,Yb):KLu(WO₄)₂ (KLuW) nanocrystals at the range of temperature 296-673 K at different excitation wavelengths. The intensity ratio between two emission lines was used for monitoring the temperature. Pumping Yb³+ at 980 nm provides a good response at relatively high temperatures, while pumping Tm³+ at 802 nm provides an excellent sensitivity in the biological range of temperatures., which make the material also attractive for biological temperature sensors.

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Ol. A. Savchuk, J. J. Carvajal, E. W. Barrera, M. C. Pujol, X. Mateos, R. Solé, J. Massons, M. Aguiló, and F. Díaz "(Ho, Tm, Yb): KLuW nanoparticles, an efficient thermometry sensor in the biological range", Proc. SPIE 8594, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications X, 859406 (19 February 2013); https://doi.org/10.1117/12.2003915

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