photovoltaic effect


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photovoltaic effect

n
(General Physics) the effect observed when electromagnetic radiation, esp visible light from the sun, falls on a thin film of one solid deposited on the surface of a dissimilar solid producing a difference in potential between the two materials
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Solar generators are solar photovoltaic (PV) systems that produce electricity by working on the photovoltaic effect. It enables the photon energy of the sun to enter the panels and cause disruption in electrons, thereby, generating an electric current which charges the battery.
The bulk photovoltaic effect occurs in certain semiconductors and insulators where their lack of perfect symmetry around their central point (their non-centrosymmetric structure) allows generation of voltage that can be actually larger than the band gap of that material (the band gap being the gap between the valence band highest range of electron energies in which electrons are normally present at absolute zero temperature and the conduction band where electricity can flow).
These cells depend on photovoltaic effect for converting solar radiation into electricity and the generated photocurrent is proportional to the solar irradiation [2].
The photovoltaic effect is considered as the process.
Ulanski, "Photovoltaic effect in novel polysilane with phenothiazine rings and its blends with fullerene," Material Science Poland, vol.
OPV cells use conductive organic polymers or small organic molecules for light absorption and charge transport to produce electricity from sunlight by the same photovoltaic effect used by conventional solar cells.
These are manufactured with crystalline semiconductor materials which, due to the photovoltaic effect, generate electric current when exposed to solar radiation.
Photovoltaic (PV) covers the conversion of light into electricity using semiconducting materials that exhibit the photovoltaic effect, a phenomenon studied in physics, photochemistry, and electrochemistry.
Generally, the term photovoltaic effect refers to the generation of a potential difference at the junction of two different materials in response to visible or other electromagnetic radiation.
The solar energy field in particular can achieve significant growth rates because solar cells, or photovoltaic cells, are electrical devices that convert light energy directly into electricity through the photovoltaic effect.

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