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

Luminescence lifetime imaging has exhibited significant advantages over traditional optical
imaging in terms of precise quantification detection because of the intrinsic stability of …

Light in the near‐infrared (NIR) spectral region is increasingly utilized in bioapplications,
providing deeper penetration in biological tissues owing to the lower absorption and …

This article gives an overview of the various kinds of nanoparticles (NPs) that are widely
used for purposes of fluorescent imaging, mainly of cells and tissues. Following an …

Manipulating topological arrangement is a powerful tool for tuning energy migration in
natural photosynthetic proteins and artificial polymers. Here, we report an inorganic optical …

Developing light-harvesting materials with tunable emission colours has always been at the
forefront of colour display technologies,,. The variation in materials composition, phase and …

Titanium dioxide (TiO2; as a potential photosensitizer) has good photocurrent performance
and chemical stability but often exhibits low utilization efficiency under ultraviolet (UV) region …

Over the past decade, high-quality lanthanide doped upconverting nanoparticles (UCNPs)
have been successfully synthesized with the rapid development of nanotechnology. Due to …

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

Upconversion photoluminescence is a nonlinear effect where multiple lower energy
excitation photons produce higher energy emission photons. This fundamentally interesting …