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

The development of current technology imposes more and more requirements for
measurement techniques, where one of the most important is temperature measurement. In …

Accurate and reliable temperature measurement of many special inaccessible objects is a
challenging task. Optical temperature sensing is a promising method to achieve it. The …

Luminescent ratiometric thermometers combining high spatial and temporal resolution at the
micro-and nanoscale, where the conventional methods are ineffective, have emerged over …

808 nm‐light‐excited lanthanide (Ln3+)‐doped nanoparticles (LnNPs) hold great promise
for a wide range of applications, including bioimaging diagnosis and anticancer therapy …

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 …

Rational control of photoluminescence against a change in temperature is important for
fundamental research and technological applications. Herein, we report an anomalous …

A new type of near infrared absorbing near infrared emitting (NANE) luminescent
nanothermometer is presented, with a physical background that relies on efficient Nd3+ to …

For a long time, rare-earth ion-doped phosphors have been widely used in temperature
sensing because of their excellent light-emitting properties. However, most of the rare earth …

Data processing and storage in electronic devices are typically performed as a sequence of
elementary binary operations. Alternative approaches, such as neuromorphic or reservoir …