Glow‐in‐the‐dark materials have been around for a long time. While formerly materials had
to be mixed with radioactive elements to achieve a sufficiently long and bright afterglow …

Passive dosimeters enabling accurate measurement of doses from gamma rays to visible
light are necessary to ensure efficient utilization of electromagnetic radiation in numerous …

Abstract Near‐infrared (NIR) light‐emitting diodes (LEDs) light sources are desirable in
photonic, optoelectronic, and biological applications. However, developing broadband red …

MOLCAS/OpenMolcas is an ab initio electronic structure program providing a large set of
computational methods from Hartree–Fock and density functional theory to various …

Efficient broadband infrared (IR) light-emitting diodes (LEDs) are needed for emerging
applications that exploit near-IR spectroscopy, ranging from hand-held electronics to …

Thermal quenching that is characterized by loss of light emission with increasing
temperature is widely observed in luminescent materials including upconversion …

It has always been a spectroscopist's dream to correlate a material's luminescence
properties with its microscopic structure, based on reliable structure–property relationships …

Many-electron multiconfigurational ab initio calculations are combined with x-ray
spectroscopy to scrutinize a popular model for electron transfer in lanthanide-doped crystals …

Eu 2+/Eu 3+ mixed-valence couple co-doped material holds great potential for ratiometric
temperature sensing owing to its different electronic configurations and electron-lattice …

Electron transfer processes between lanthanide activators are crucial for the functional
behavior and performance of luminescent materials. Here, a multiconfigurational ab initio …