Lanthanide-based upconversion nanomaterials have recently attracted considerable
attention in both fundamental research and various frontier applications owing to their …

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

Upconversion nanoparticles (UCNPs) are some of the most promising nanomaterials for
bioanalytical and biomedical applications. One important challenge to be still solved is how …

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

Luminescence-based techniques continue to attract considerable attention due not only to
their current range of applications but also to their wide potential in the fields of optical …

Lanthanides refer to the 15 elements located at the sixth period and IIIB group in the periodic
table, ranging from lanthanum to lutetium, with the electronic configuration of [Xe] 4f n–1 5d …

Theranostics is a concept of integrating imaging and therapy into a single platform for use in
the next generation of personalized medicine to meet the challenges in modern health …

Lanthanide pairs, which can upconvert low energy photons into higher energy photons, are
promising for efficient upconversion emission. A typical system with Yb3+ as a sensitizer can …

Thermal quenching, in which light emission experiences a loss with increasing temperature,
broadly limits luminescent efficiency at higher temperature in optical materials, such as …