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A solar cell or photovoltaic cell ( PV cell) is an electronic device that converts the energy of light directly into electricity by means of the photovoltaic effect. [ 1] It is a form of photoelectric cell, a device whose electrical characteristics (such as current, voltage, or resistance) vary when it is exposed to light.
Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current. [ 63 ]
Photovoltaic effect. Mafate Marla solar panel. The photovoltaic effect is the generation of voltage and electric current in a material upon exposure to light. It is a physical phenomenon. [ 1] The photovoltaic effect is closely related to the photoelectric effect. For both phenomena, light is absorbed, causing excitation of an electron or other ...
Concentrated solar power ( CSP, also known as concentrating solar power, concentrated solar thermal) systems generate solar power by using mirrors or lenses to concentrate a large area of sunlight into a receiver. [1] Electricity is generated when the concentrated light is converted to heat ( solar thermal energy ), which drives a heat engine ...
Visible light such as sunlight carries radiant energy, which is used in solar power generation. In physics, and in particular as measured by radiometry, radiant energy is the energy of electromagnetic [ 1] and gravitational radiation. As energy, its SI unit is the joule (J). The quantity of radiant energy may be calculated by integrating ...
Space-based solar power ( SBSP, SSP) is the concept of collecting solar power in outer space with solar power satellites ( SPS) and distributing it to Earth. Its advantages include a higher collection of energy due to the lack of reflection and absorption by the atmosphere, the possibility of very little night, and a better ability to orient to ...
Solar power, also known as solar electricity, is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV) or indirectly using concentrated solar power. Solar panels use the photovoltaic effect to convert light into an electric current. [ 2] Concentrated solar power systems use lenses or mirrors and solar ...
Solar energy conversion describes technologies devoted to the transformation of solar energy to other (useful) forms of energy, including electricity, fuel, and heat. [ 1] It covers light-harvesting technologies including traditional semiconductor photovoltaic devices (PVs), emerging photovoltaics, [ 2][ 3][ 4] solar fuel generation via ...
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