Impurity doping is a promising method to impart new properties to various materials. Due to
their unique optical, magnetic, and electrical properties, rare-earth ions have been …

The attractive features of lanthanide-doped upconversion luminescence (UCL), such as high
photostability, nonphotobleaching or photoblinking, and large anti-Stokes shift, have shown …

Near-infrared-to-visible photon upconversion holds great promise for a diverse range of
applications. Current photosensitizers for triplet-fusion upconversion across this spectral …

Luminescence lifetime imaging has exhibited significant advantages over traditional optical
imaging in terms of precise quantification detection because of the intrinsic stability of …

Lanthanide-doped upconversion nanoparticles (UCNPs) possess the remarkable ability to
convert multiple near-infrared (NIR) photons into higher energy ultraviolet–visible (UV–vis) …

Abstract Lanthanides (Ln 3+) are a particular class of optical materials and are regularly
utilized as a structure block for architectures of optoelectronic frameworks because of their …

Upconversion emissions from lanthanide-doped nanocrystals have sparked extensive
research interests in nanophotonics, biomedicine, photovoltaics, photocatalysis, etc …

Upconversion nanocrystals have been extensively investigated for optical imaging and
biomedical applications,. However, their photoluminescence is strongly attenuated by …

Rapid advancements in materials science and nanotechnology, intertwined with oncology,
have positioned photothermal therapy (PTT) as a promising noninvasive treatment strategy …

Coherent ultraviolet light is important for applications in environmental and life sciences.
However, direct ultraviolet lasing is constrained by the fabrication challenge and operation …