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What element is used for photoelectric and solar cells?

Answer:
most are silicon. some high efficiency ones for special applications have been made using gallium arsenide, but these are too expensive for commercial or home use, also there is a potential problem of arsenic leaching.
First answer by Eccles-Jordan Trigger. Last edit by Eccles-Jordan Trigger. Contributor trust: 127 [recommend contributor recommended]. Question popularity: 3 [recommend question].

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