HIGHLIGHTS
- who: Cyrille Richard from the (UNIVERSITY) have published the research: Persistent X-ray-activated phosphors: mechanisms and applications, in the Journal: (JOURNAL)
SUMMARY
Trivalent lanthanides in wide bandgap fluoride or phosphate hosts can present persistent luminescence between 200 nm and 1.7 µm after charging by X-rays. Persistent luminescence is controlled by a slow liberation of trapped charge carriers at body temperature by a simple thermal de-excitation process. With material Chemistry vision, two main strategies are envisioned for the trapping process which is the initial and very important step: first, the . . .
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