Externet Posted January 17, 2023 Share Posted January 17, 2023 (edited) Greetings. These photoluminescence compounds absorb the energy of photons? by raising their energy level, then emit light on the energy decay. -I think- About intensity; the more energetic the exposure, the larger the emission return. Color... is violet/ultraviolet the light that energizes it the most ? Now; what about the time ? Exposing the photoluminescent material to light, I would say becomes 'charged' at the speed of light' . What if the exposure time is not 1 second but 1 minute ? What changes when light is released ? In other words, the exposure time affects the emission in intensity or duration or both ? ...and why ? Is the light emitted repeatedly 'recycled' internally by the compound (as its own decaying emission is re-absorbed and re-emitted)? Edited January 17, 2023 by Externet added text Link to comment Share on other sites More sharing options...
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