Enhancing silver clusters' phosphorescence quantum yield incorporating heavy atom effect, using encapsulated sulfide ions or iodide anions

https://phys.org/news/2025-03-potential-heavy-atom-effect-metal.html

"ligand-protected metal clusters... facilitates excited state intersystem crossing... S@Ag54 and I@Ag54 clusters formed, upon substitution of S2− with I−... luminescent materials/ triplet sensitizers, medical imaging, TV screens, photonic devices, energy conversion technologies... future: explore how encapsulated species (in this case, the added ions) influence other photophysical and electronic properties"