Lanthanide-doped NaGdF<inf>4</inf> core-shell nanoparticles for non-contact self-referencing temperature sensors

Royal Society of Chemistry
Publication Type:
Journal Article
Nanoscale, 2014, 6 (11), pp. 5675 - 5679
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We report that non-contact self-referencing temperature sensors can be realized with the use of core–shell nanostructures. These lanthanide-based nanothermometers (NaGdF4:Yb3+/Tm3+@Tb3+/Eu3+) exhibit higher sensitivity in a wide range from 125 to 300 K based on two emissions of Tb3+ at 545 nm and Eu3+ at 615 nm under near-infrared laser excitation.
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