Thin Film Solar Cells
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Описание:
In order to make photovoltaic power generation an economically viable option, the cost of solar cell devices has to be lowered. Nowadays most solar cells are manufactured from crystalline Si substrates with a typical thickness of 200–300 mm. Since the base material for these devices is electronic–grade Si, a large part of the cost of the final solar cell is related to the active material. In order to reduce these costs, a transition from these ?bulk crystalline Si solar cells? has to made to thin–film technologies with reduced usage of active material in the device. These thin films can consist of crystalline, protocrystalline, or amorphous silicon. In addition, II–VI polycrystalline compounds like CdTe or ternary compounds like CuIn(Ga)Se2(S)–alloys are being investigated and developed. In the case of thin films of Si, there is a broad range of deposition technologies. Although these technologies have not yet come onto the market to any great degree, there has been considerable...Похожие книги
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