Recently, there has been observed huge progress in the advancement of remote optical
nanothermometry, as it plays a vital role in remote, noninvasive, and remote temperature …

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

Since the positive influences of defects on the performance of electroceramics were
discovered, investigations concerning on defects and aliovalent doping routes have grown …

A series of Ca 8 ZnLa (PO 4) 7 (CZLPO) phosphors doped with Tb 3+ and Tb 3+, Eu 3+ have
been synthesized using a high-temperature solid-state method. The XRD pattern verifies …

Non-contact temperature sensors based on up-conversion photoemission with quick
response and in situ monitoring exhibits scientific and technological potential. However, to …

Traditional optical temperature sensors based on the rare earth fluorescence intensity ratio
of two thermally coupled energy states have intrinsic limitations such as low relative …

Yb3+/Tm3+ co-doped Ba5Gd8Zn4O21 upconversion (UC) phosphors with thermometric and
optical heating properties were successfully prepared by a sol–gel process, and crystal …

Investigation of the unclear influential factors to thermal sensing capability is the only way to
achieve highly sensitive thermometry, which is greatly needed to meet the growing demand …