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Semiconductor material that is left intrinsic, or undoped so that the concentration of charge carriers is characteristic of the material itself rather than of added impurities.
Industry:Energy
A graphical presentation of the current versus the voltage from a photovoltaic device as the load is increased from the short circuit (no load) condition to the open circuit (maximum voltage) condition. The shape of the curve characterizes cell performance.
Industry:Energy
A metric unit of energy or work; 1 joule per second equals 1 watt or 0.737 foot-pounds; 1 Btu equals 1,055 joules.
Industry:Energy
A region of transition between semiconductor layers, such as a p/n junction, which goes from a region that has a high concentration of acceptors (p-type) to one that has a high concentration of donors (n-type).
Industry:Energy
A photovoltaic (PV) generator junction box is an enclosure on the module where PV strings are electrically connected and where protection devices can be located, if necessary.
Industry:Energy
A semiconductor device with a junction and a built-in potential that passes current better in one direction than the other. All solar cells are junction diodes.
Industry:Energy
A standard unit of electrical power equal to 1000 watts, or to the energy consumption at a rate of 1000 joules per second.
Industry:Energy
1,000 thousand watts acting over a period of 1 hour. The kWh is a unit of energy. 1 kWh=3600 kJ.
Industry:Energy
Unit of solar irradiance. One gram calorie per square centimeter. 1 L = 85.93 kwh/m2.
Industry:Energy
The regular periodic arrangement of atoms or molecules in a crystal of semiconductor material.
Industry:Energy
