Upconversion luminescence (UCL) refers to nonlinear optical processes, which can convert
near-infrared photons to short-wavelength emission. Recent advances in nanotechnology …

Optical sensing plays an important role in theranostics due to its capability to detect hint
biochemical entities or molecular targets as well as to precisely monitor specific fundamental …

Photon upconversion in lanthanide-doped upconversion nanoparticles offers a wide variety
of applications including deep-tissue biophotonics. However, the upconversion …

Upconversion, the conversion of photons from lower to higher energies, is a process that
promises applications ranging from high-efficiency photovoltaic and photocatalytic cells to …

Abstract Erbium ions (Er3+, 1.54 µm) electric pumped light sources with excellent optical
properties and a simple fabrication process are urgently desired to satisfy the development …

Realizing multicolored luminescence in two-dimensional (2D) nanomaterials would afford
potential for a range of next-generation nanoscale optoelectronic devices. Moreover …

Rare earth doped luminescent materials are promising candidates for temperature sensing.
In this paper, pure β-NaYF4: 20% Yb3+, 2% Er3+ microprisms were synthesized by …

Highly doped lanthanide luminescent nanoparticles exhibit unique optical properties,
providing exciting opportunities for many ground-breaking applications, such as super …

Multifunctional optical sensing devices are of decisive significance to the miniaturization and
integration of optoelectronic devices. However, the development of stimuli responsive …

Relatively low efficiency is the bottleneck for the application of lanthanide‐doped
upconversion nanoparticles (UCNPs). The high‐level doping strategy realized in recent …