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- W1640476581 abstract "Fundamental limitations on the performance of Si solar cells are shown to be quite different from those that have been conventionally invoked. Particularly for heavy-doping effects, the usual models are shown to be invalid and a new method is devised for calculating the reverse saturation current of a heavily doped device in which nearly all minority carriers reach the junction (viz., good blue-response). Calculations by the new method show: (1) increased doping above 10/sup 18/cm/sup -3/ does not improve the open-circuit voltage as has been thought, and (2) previous estimates of bandgap varrowing in diffused cells are much too high because of the neglect of Auger recombination effects. Also of importance are the effects of doping gradients and their relation to the properties of the front surface of a diffused-junction cell; experiments are clarifying some of these relations. These experiments have led to a new, simple method of separating the internal optoelectronic properties of a solar cell (or optical detector) from the reflectance properties of the front surface. This method thus provides a direct means of evaluating the effectiveness of antireflection coatings on such devices." @default.
- W1640476581 created "2016-06-24" @default.
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- W1640476581 date "1980-02-01" @default.
- W1640476581 modified "2023-10-18" @default.
- W1640476581 title "Photovoltaic mechanisms in polycrystalline thin-film silicon solar cells" @default.
- W1640476581 doi "https://doi.org/10.2172/5171133" @default.
- W1640476581 hasPublicationYear "1980" @default.
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