photoelectric cell - definizione. Che cos'è photoelectric cell
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Cosa (chi) è photoelectric cell - definizione

ELECTRICAL DEVICE THAT CONVERTS THE ENERGY OF LIGHT DIRECTLY INTO ELECTRICITY BY THE PHOTOVOLTAIC EFFECT
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  • kW]] triple-junction gallium arsenide solar array at full extension
  • [[NASA]] used solar cells on its spacecraft from the very beginning. For Example, [[Explorer 6]], launched in 1959, had four arrays that folded out once in orbit. They provided power for months in space.
  • Early [[solar-powered calculator]]
  • From a solar cell to a PV system. Diagram of the possible components of a [[photovoltaic system]]
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  • Reported timeline of research solar cell energy conversion efficiencies ([[National Renewable Energy Laboratory]])
  • Bifacial solar cell plant in Noto (Senegal), 1988 - Floor painted in white to enhance albedo.
  • Symbol of a Photovoltaic cell.
  • eV]] (827 nm to 1240 nm; near-infrared) have the greatest potential to form an efficient single-junction cell. (The efficiency "limit" shown here can be exceeded by [[multijunction solar cell]]s.)
  • mechanism]] of a solar cell
  • Solar cell production by region<ref name="pvnews">[http://www.greentechmedia.com/research/report/pv-news Pv News November 2012]. Greentech Media. Retrieved 3 June 2012.</ref>
  • [[Solar Impulse]] aircraft are Swiss-designed single-seat monoplanes powered entirely from photovoltaic cells
  • wafer]].
  • Schematic of charge collection by solar cells. Light transmits through transparent conducting electrode creating electron hole pairs, which are collected by both the electrodes.<ref name=kumar2017 />
  • Sion]] are equipped with highly efficient monocrystalline silicon cells

photoelectric cell         
¦ noun a device using a photoelectric effect to generate current.
Phototube         
LIGHT-SENSITIVE GAS-FILLED OR VACUUM TUBE
Phototubes
A phototube or photoelectric cell is a type of gas-filled or vacuum tube that is sensitive to light. Such a tube is more correctly called a 'photoemissive cell' to distinguish it from photovoltaic or photoconductive cells.
Solar cell         
A solar cell, or photovoltaic cell, is an electronic device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon.Solar Cells.

Wikipedia

Solar cell

A solar cell, or photovoltaic cell, is an electronic device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon. It is a form of photoelectric cell, defined as a device whose electrical characteristics, such as current, voltage, or resistance, vary when exposed to light. Individual solar cell devices are often the electrical building blocks of photovoltaic modules, known colloquially as solar panels. The common single junction silicon solar cell can produce a maximum open-circuit voltage of approximately 0.5 to 0.6 volts.

Solar cells are described as photovoltaic, regardless of whether the source is sunlight or artificial light. In addition to producing energy, they can be used as a photodetector (for example infrared detectors), detecting light or other electromagnetic radiation near the visible range, or measuring light intensity.

The operation of a photovoltaic (PV) cell requires three basic attributes:

  • The absorption of light, generating excitons (bound electron-hole pairs), unbound electron-hole pairs (via excitons), or plasmons.
  • The separation of charge carriers of opposite types.
  • The separate extraction of those carriers to an external circuit.

In contrast, a solar thermal collector supplies heat by absorbing sunlight, for the purpose of either direct heating or indirect electrical power generation from heat. A "photoelectrolytic cell" (photoelectrochemical cell), on the other hand, refers either to a type of photovoltaic cell (like that developed by Edmond Becquerel and modern dye-sensitized solar cells), or to a device that splits water directly into hydrogen and oxygen using only solar illumination.

Photovoltaic cells and solar collectors are the two means of producing solar power.