Photoluminescence
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Photoluminescence is light emission from matter after absorbing photons. It is a form of luminescence initiated by photoexcitation, where photons excite electrons to a higher energy level in an atom.
Fluorescent solutions under UV light. Absorbed photons are rapidly re-emitted under longer electromagnetic wavelengths.
Fluorescence
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Fluorescence is one of two kinds of photoluminescence, the emission of light by a substance that has absorbed light or other electromagnetic radiation. When exposed to ultraviolet radiation, many subs
Photoluminescence
…Electrons change energy states by either resonantly gaining energy from absorption of a photon or losing energy by emitting photons. In chemistry, fluorescence and phosphorescence are distinguished. The former is typically a fast process, yet some amount of the original energy is dissipated so that re-emitted…
Fluorescent minerals emit visible light when exposed to ultraviolet.
Fluorescent marine organisms
Fluorescent clothes used in black light theatre production, Prague
A cup made from the wood of the narra tree (Pterocarpus indicus) beside a flask containing its fluorescent solution Lignum nephriticum