Category: Covid

Comment on Persistent luminescence instead of phosphorescence

https://www.researchgate.net/publication/327939317_Persistent_luminescence_instead_of_phosphorescence_History_mechanism_and_perspective/comments Enjoyable read with many thoughtful ideas and descriptions. There are several energy sources for these photon flows, but thermal energy harvesting over long periods, then optical photon emission for shorter periods seems to be the theme. The energy stored in electronic states.   I am posting this on 18 Apr 2021: “persistent luminescence” has
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