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Photo-luminescence vs Electro-luminescence Material science
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Luminescence and their types
1. Photoluminescence
2. Electroluminescence
Luminescence
The emission of light from the surface of materials and solids
or
Rediative emission process is called luminescence
Examples are phosphors and Light emitting diodes (LEDs)
Photoluminescence
The reemission of light after absorbing a photon of higher energy.
Electros recombines with holes and emit photons
Phosphors are materials that exhibit the phenomenon of luminescence, i.e. they emit light when exposed to radiation such as ultraviolet light or an electron beam
Electroluminescence
The emission of light from materials by running an electrical current through material
Light emitting diodes LEDs
Electrons and holes are forced to recombine
Hastags
#luminescence #photoluminescence #electroluminescence #phosphors #lightemittingdiodes
1. Photoluminescence
2. Electroluminescence
Luminescence
The emission of light from the surface of materials and solids
or
Rediative emission process is called luminescence
Examples are phosphors and Light emitting diodes (LEDs)
Photoluminescence
The reemission of light after absorbing a photon of higher energy.
Electros recombines with holes and emit photons
Phosphors are materials that exhibit the phenomenon of luminescence, i.e. they emit light when exposed to radiation such as ultraviolet light or an electron beam
Electroluminescence
The emission of light from materials by running an electrical current through material
Light emitting diodes LEDs
Electrons and holes are forced to recombine
Hastags
#luminescence #photoluminescence #electroluminescence #phosphors #lightemittingdiodes
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