Nanoparticles containing lanthanide (Ln3+) ions in their structure have become one of the
most important tools in nanomedicine, mainly due to their appealing spectroscopic …

Photon avalanche (PA)—where the absorption of a single photon initiates a 'chain
reaction'of additional absorption and energy transfer events within a material—is a highly …

Mechanoluminescence (ML) is a fascinating phenomenon with diverse applications in
pressure sensing, damage detection, and stress distribution visualization. However, most …

This work presents a multifunctional hydrogel platform integrating shape deformation and
tunable fluorescence for advanced information encryption and soft actuation, addressing …

Persistent luminescence (PersL) materials show long-lasting emission after irradiation with
excitation light. Usually, to obtain PersL, excitation with ultraviolet (UV) or visible light is …

In biomedical and optical applications, multifunctional upconverting nanoparticles (UCNPs)
play an essential role where non‐invasive temperature sensing and imaging are necessary …

Upconversion-based optical thermometry has many merits, such as quick temperature
response, higher thermal sensitivity and robust reliability. However, the previous works were …

Nonlinear optics (NLO) is a crucial branch of photonics that greatly facilitates the
transmission, processing, and storage of photonic signals. It meets the needs of the rapidly …

Distinct types of luminescence that are activated by various stimuli in a single material offer
exciting developmental opportunities for functional materials. A versatile sensing platform …

Room temperature phosphorescence materials have garnered significant attention due to
their unique optical properties and promising applications. However, it remains a great …