Present technological demands in disparate areas, such as microfluidics and nanofluidics,
microelectronics and nanoelectronics, photonics and biomedicine, among others, have …

Noninvasive lanthanide‐doped optical thermometers based on fluorescent intensity ratio
(FIR) technique have emerged as promising noncontact tools for detecting the inaccessible …

To develop new up-conversion luminescent materials for optical thermometry, a sequence of
Ca 2 MgWO 6: xEr 3+, yYb 3+ phosphor samples were synthesized via high temperature …

Luminescence thermometry alleviates the difficulties associated with conventional methods
for thermal sensing and provides outstanding opportunities for non-contact thermometry with …

Upconversion nanoparticles (UCNPs) show attractive anti-Stokes characteristics converting
lower-energy photons into higher-energy emissions. The excellent biocompatibility and …

Abstract Yb 3+/Er 3+ co-doped YNbO 4 nanoparticles (NPs) with an average size of 35 nm
were prepared via modified molten salt method for the first time. The phase purity, crystal …

Yb3+/Er3+ codoped Ba5Gd8Zn4O21 up-conversion (UC) phosphors with tunable emission
were synthesized using a facile sol–gel method. UC spectra are composed of green …

Herein, we reported novel Y 4 GeO 8: Er 3+, Yb 3+ phosphors elaborated via conventional
solid-state reaction, and we further explored their properties as optical thermometer by using …

Abstract In this paper, Na2GdMg2 (VO4) 3: Yb3+, Er3+ phosphors were synthesized through
high‐temperature solid‐state method. According to X‐ray powder diffractogram, diffuse …

We reported a simple and ultrafast route to synthesize the bifunctional Er 3+/Yb 3+-codoped
NaBiF 4 upconverting nanoparticles. It was found that the phase composition and …