The excited‐state tuning of luminescent metal–organic compounds has made great
progress in the fields of optical imaging, photocatalysis, photodynamic therapy, light …

Impurity do** 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 …

Recent years have witnessed tremendous progress and developments of the
photoswitchable spiropyran-based polymers, owing to distinctive and particular …

Optical upconversion from lanthanide-doped nanoparticles is promising for a variety of
applications ranging from bioimaging, optogenetics, nanothermometry, super-resolution …

Optical nanomaterials have been widely used in anticounterfeiting applications. There have
been significant developments powered by recent advances in material science, printing …

Lanthanide-doped upconversion nanoparticles (UCNPs) are capable of converting near-
infra-red excitation into visible and ultraviolet emission. Their unique optical properties have …

The detection of cancer biomarkers in histological samples and blood is of paramount
importance for clinical diagnosis. Current methods are limited in terms of sensitivity …

Lanthanide-doped glasses and crystals are attractive for laser applications because the
metastable energy levels of the trivalent lanthanide ions facilitate the establishment of …

Lanthanide-doped upconversion nanocrystals enable anti-Stokes emission with pump
intensities several orders of magnitude lower than required by conventional nonlinear …