Photoelectric effect

Last Update Time: 2018-12-06 10:21:02

Photoelectric effects are divided into photoelectron emission, photoconductivity and photovoltaic effects. The former phenomenon occurs on the surface of an object, also known as the external photoelectric effect. The latter two phenomena occur inside the object and are called internal photoelectric effects.

 

Photoelectron emission: The commonly used semiconductor luminescent materials can basically belong to this category. Common components are LEDs (light-emitting diodes).

 

Photoconductive effect: photoresistor.

 

Photovoltaic effects: photovoltaic panels (solar panels)

 

PS: Yes, the so-called external photoelectric effect means that the phenomenon occurs on the surface of the object, while the internal photoelectric effect occurs inside the object. Photoelectron emission is an external photoelectric effect, while the other two are internal photoelectric effects.

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