LaOF:Yb3+, Er3+ Upconversion Nanophosphors Operating at Low Laser Powers for Nanothermometry Applications
Govind B. Nair,
Sumedha Tamboli,
S. J. Dhoble
et al.
Abstract:Luminescence nanothermometers based on LaOF:Yb3+, Er3+ upconversion nanoparticles (UCNPs) were investigated
in
this study. The fluorescence intensity ratio (FIR) of the UCNPs was
recorded in the visible (red) and near-infrared (NIR) regions at different
temperatures. The impact of laser heating on the UCNPs was prevented
by identifying the optimal operating conditions of the laser that
could be used to record the FIRs without compromising the integrity
of the UCNPs. The behavior of the UCNPs against the laser … Show more
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