Quantum sensors are finding their way from laboratories to the real world, as witnessed by
the increasing number of start-ups in this field. The atomic length scale of quantum sensors …

Luminescence (nano) thermometry is a remote sensing technique that relies on the
temperature dependency of the luminescence features (eg, bandshape, peak energy or …

Endowing a single material with various types of luminescence, that is, exhibiting a
simultaneous optical response to different stimuli, is vital in various fields. A …

Fluorescent nanothermometers can probe changes in local temperature in living cells and in
vivo and reveal fundamental insights into biological properties. This field has attracted …

Transition metal (TM) ion activated phosphors are increasingly being used as probes for
luminescence thermometry. Their luminescence is characterized by strong absorption and …

Following astonishing growth in the last decade, the field of luminescence thermometry has
reached the stage of becoming a mature technology. To achieve that goal, further …

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

Abstract Rare earth (RE3+)-doped phosphors generally suffer from thermal quenching, in
which their photoluminescence (PL) intensities decrease at high temperatures. Herein, we …

Luminescence nanothermometry enables accurate, remote, and all-optically-based thermal
sensing. Notwithstanding its fast development, there are serious obstacles hindering …

Here, the present research situation of all inorganic thermometers based on fluorescence
intensity ratio (FIR) technology is reviewed. The thermometers are classified in detail based …