Upconversion is a nonlinear optical phenomenon that involves the emission of high‐energy
photons by sequential absorption of two or more low‐energy excitation photons. Due to their …

Photocatalytic water splitting is promising for hydrogen energy production using solar
energy and develo** highly efficient photocatalysts is challenging. Defect engineering is …

High-entropy alloy nanoparticles (HEANs) possessing regulated defect structure and
electron interaction exhibit a guideline for constructing multifunctional catalysts. However …

Lanthanide-doped fluoride nanoparticles (NPs) showcase adjustable X-ray-excited
persistent luminescence (XEPL), holding significant promise for applications in three …

Upconversion nanocrystals have been extensively investigated for optical imaging and
biomedical applications,. However, their photoluminescence is strongly attenuated by …

The spread of COVID-19 has caused huge economic losses and irreversible social impact.
Therefore, to successfully prevent the spread of the virus and solve public health problems, it …

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 ions doped upconversion nanoparticles (UCNPs) are capable of stepwisely
converting lower energy near-infrared (NIR) excitation light into higher energy visible or …

Advanced nanoscale synthetic techniques provide a versatile platform for programmable
control over the size, morphology, and composition of nanocrystals doped with lanthanide …

Energy-intensive technologies and high-precision research require energy-efficient
techniques and materials. Lens-based optical microscopy technology is useful for low …