Impurity doping 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 …

Short-wavelength infrared light with a wavelength range of 1–3 µm is crucial in various fields
related to human activities. It has a better penetrating ability than visible light in harsh …

Photodetectors (PDs), as an indispensable component in electronics, are highly desired to
be flexible to meet the trend of next‐generation wearable electronics. Unfortunately, no in …

Short‐wavelength infrared photo‐sensing materials are dominated by germanium, indium
gallium arsenide, indium antimonide, and mercury cadmium telluride. However, the complex …

Plasmonics have been well investigated on photodetectors, particularly in IR and visible
regimes. However, for a wide range of ultraviolet (UV) applications, plasmonics remain …

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

Lanthanide-doped upconversion nanoparticles (UCNPs), characterized by converting low-
energy excitation to high-energy emission, have attracted considerable interest due to their …

Realizing omnidirectional self-powered photodetectors is central to advancing next-
generation portable and smart photodetector systems. However, the traditional …

Lanthanide ions, as dopants, have evoked widespread research interest owing to the rich
optical, magnetic, and electrical properties, but their luminescent intensity is always limited …

Fiber-shaped photodetectors (FPDs) have attracted special attention to wearable health
monitoring due to their 3D absorption capabilities. However, the practical application of …