Photodiode Types construction working | Photoconductive cell and Photovoltaic cell

A photodiode is a pn junction of semiconductor material that produces electron–hole pairs in response to light.

Types
A photoconductive diode undergoes a resistance change at its junction in response to photons. This type of photodiode is operated in reverse-biased form.
A photovoltaic diode generates a sufficient potential at its junction in response to light (photons) falling on it. Hence an external bias source is not necessary for a photovoltaic diode.

Timestamps:
00:45 Types
01:25 construction and working Photoconductive diode
03:50 Advantages and disadvantages
05:20 Applications
06:00 Photovoltaic cell
09:35 Applications
#photodiode #Photosensor

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Photodiode Types construction working | Photoconductive cell and Photovoltaic cell
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