Temperature monitoring plays an important role in ensuring product quality, saving energy,
promoting the development of national economy and providing basic diagnostic criteria in …

Temperature is important because it has an effect on even the tiniest elements of daily life
and is involved in a broad spectrum of human activities. That is why it is the most commonly …

In this study, it is shown how the temperature range of luminescent thermometers can be
widened in an unprecedented way by combining the intra‐and interconfigurational …

The rapid development of nanomaterials with unique size-tunable properties forms the basis
for a variety of new applications, including temperature sensing. Luminescent nanoparticles …

The dependence of temperature on the fluorescence lifetime and fluorescence intensity ratio
using Stark sublevels and thermally coupled (close lying) levels in triply ionized rare earth …

The determination of temperature is essential in many applications in the biomedical,
technological, and industrial fields. Optical thermometry appears to be an excellent …

An optical temperature sensor based on the upconversion luminescence of Tm3+ has been
developed. Under a 980nm diode laser excitation, the fluorescence intensity ratio (FIR) …

The codoping effect of Zn2+ ions on luminescence emission in visible and near infrared
(NIR) regions of Y2O3: Ho3+–Yb3+ phosphor prepared by low temperature combustion …

Combustion synthesized Gd2O3: Er3+/Yb3+ nanocrystalline phosphor has been developed
and used as a temperature sensor. Frequency upconverted emissions from two thermally …

The temperature dependence of the green upconverted emission from the two thermally
coupled 2H11/2 and 4S3/2 levels of the Er3+ ion in a fluorotellurite glass has been analyzed …