Journal
NANOSCALE
Volume 6, Issue 11, Pages 5675-5679Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4nr00432a
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Funding
- National Natural Science Foundation of China [51132004, 51102209]
- National Basic Research Program of China [2011CB808100]
- Program for Changjiang Scholars and Innovative Research Team in University
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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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