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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site cell barrier Also called a depletion zone, cell junction, or space charge, a very thin region of static electric charge along the interface of the positive and negative layers in a photovoltaic or solar cell. The barrier inhibits the movement of electrons from one layer to the other, so that higher-energy electrons from one side diffuse preferentially through it in one direction, creating a current and thus a voltage across the cell. Related category    • SEMICONDUCTOR SCIENCE AND TECHNOLOGY Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP