Abstract Lanthanides (Ln 3+) are a unique class of optical materials and are extensively
used as building blocks for optoelectronic device architectures due to their outstanding …

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 …

Future technologies underpinning multifunctional physical and chemical systems and
compact biological sensors will rely on densely packed transformative and tunable circuitry …

It is important to harness near-infrared (NIR) light in the plentiful and naturally sustainable
sunlight to maximize the consumption rate of the uncontaminated resources on the planet …

Composites or hybrid materials offer diverse properties not achievable in pure materials.
Here we critically review the interesting and controllable fluorescence and photothermal …

Extending photoelectric response to the near-infrared (NIR) region using upconversion
luminescent (UCL) materials is one promising approach to obtain high-efficiency perovskite …

A mechanistic study of upconversion from lanthanides is of great importance for the
fundamental research of upconversion materials and their diverse frontier applications …

Outbreaks of infectious viruses offer a formidable challenge to public healthcare systems
and early detection of viruses is essential for preventing virus propagation. In this work, an …

Single-beam super-resolution microscopy, also known as superlinear microscopy, exploits
the nonlinear response of fluorescent probes in confocal microscopy. The technique …

Advancing the upconversion materials field relies on accurate and contrastable
photoluminescence efficiency measurements, which are characterised by the absolute …