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

Photon upconversion generally results from a series of successive electronic transitions
within complex energy levels of lanthanide ions that are embedded in the lattice of a …

Lanthanide-doped upconversion nanoparticles (UCNPs) are guest-host systems with
lanthanide ions as guest dispersed in a dielectric material as the inorganic host. Over the …

Recent advances reveal that upconversion (UC) luminescent materials are highly important
not just from a scientific, but also from a future application standpoint. Although significant …

Light upconverting nanostructures employing lanthanide ions constitute an emerging
research field recognized with wide ramifications and impact in many areas ranging from …

The enthusiasm for research on lanthanide‐doped upconversion nanoparticles is driven by
both a fundamental interest in the optical properties of lanthanides embedded in different …

Lanthanide-doped upconversion nanoparticles have been the focus of a growing body of
investigation because of their promising applications ranging from data storage to biological …

Lanthanide-doped upconversion nanoparticles (UCNPs) have received substantial attention
in diversities of frontier applications because of their excellent and flexible photon …

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

Photon upconversion is promising for applications such as biological imaging, data storage
or solar cells. Here, we have investigated upconversion processes in a broad range of …