A solar cell (or Photovoltaic Cell) is a device that produces electric current either by chemical action or by converting light to electric current when exposed to sunlight.For the sake of this article, attention will be given to solar cells only. solar-cell Solar Cell Construction. The overwhelming majority of solar cells are fabricated from silicon —with increasing efficiency and lowering cost as the materials range from amorphous (noncrystalline) to polycrystalline to crystalline (single crystal ) silicon forms. In this cell, small grid patterns with slight metallic strips are available under the glass. A solar cell: A solar cell is a solid-state electrical device (p-n junction) that converts the energy of light directly into electricity (DC) using the photovoltaic effect.The process of conversion first requires a material which absorbs the solar energy (photon), and then raises an electron to a higher energy state, and then the flow of this high-energy electron to an external circuit. In 1939, Russell Ohl created the solar cell design that is used in many modern solar panels. The pinnacle layer of this cell includes an anti-reflective cover glass. In 1957, Mohamed M. Atalla developed the process of silicon surface passivation by thermal oxidation at Bell Labs. Solar cell, also called photovoltaic cell, any device that directly converts the energy of light into electrical energy through the photovoltaic effect. This glass guards the semiconductor materials against the sunlight. The construction of a solar cell is shown below.  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. Introduction to Solar Cell or Photovoltaic Cells. In 1954, this design was first used by Bell Labs to create the first commercially viable silicon solar cell. A solar cell, or photovoltaic cell, is an electrical device that converts the energy of light directly into electricity by the photovoltaic effect, which is a physical and chemical phenomenon. He patented his design in 1941.
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