Sunday, March 1, 2015

Amorphous silicon or thin film silicon cell



1.      
They are known as thin-film because they are deposited in very thin layers on stainless steel, glass or a flexible substrate. The thickness of the film is less than 1 micron. Like c-Si, thin-film PV cells are combined into modules and laminated to protect them from the elements. They are less expensive than c-Si cells, but their demonstrated energy conversion efficiency is only around 8%. The advantage of thin-film technology is that it can be applied over large areas, providing more opportunity to generate electricity in cloudy conditions.

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