Fluorescence and Phosphorescence
Fluorescence and phosphorescence are both luminescence phenomena that occur due to the de-excitation of electrons. When a source of energy such as thermal or radiant e...
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Fluorescence
Fluorescence is the process by which a substance absorbs electromagnetic radiation (visible or invisible light) from another source, then re-emits the radiation with a wavelength that is ...
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Fluorescence and Phosphorescence
Substances that glow in the dark, called "phosphorescent" materials, have many practical applications today. Clocks and watches, for example, often have their numbers ...
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