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 …

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 …

The field of 3D printing is continuing its rapid development in both academic and industrial
research environments. The development of 3D printing technologies has opened new …

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 …

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 …

Photovoltaic (PV) technologies for solar energy conversion represent promising routes to
green and renewable energy generation. Despite relevant PV technologies being available …

Upconversion (UC) refers to nonlinear optical processes in which the sequential absorption
of two or more photons leads to the emission of light at shorter wavelength than the …

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 …

Nanostructured surfaces with designed optical functionalities, such as metasurfaces, allow
efficient harvesting of light at the nanoscale, enhancing light–matter interactions for a wide …

Lanthanide-doped upconversion (UC) nanoparticles have shown considerable promise in
biological labeling, imaging, and therapeutics.[1] However, although current synthetic …