What Is The Differences Between Fluorescence & Phosphorescence?

Luminescence can be defined as the radiation emitted by a molecule or an atom on return to the ground state from the excited state after initial absorption of energy. Both fluorescence and phosphorescence are types of photoluminescence that involve absorption of energy and excitation of an atom to a higher energy level followed by emission of electromagnetic radiation (or return to low energy state). In both, the emitted photon (light) has lower energy than the absorbed photon and emission occurs at a longer wavelength than the incident light. The major difference is the duration for each process to occur after the initial absorption of light of correct wave length.

What Is The Differences Between Fluorescence & Phosphorescence

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