Which element is used for making solar cells?
Silicon
Solar Cell Element Identification
Silicon (\(Si\)) is the element used for making solar cells.
Key Properties of Silicon:
- Semiconductor: Silicon's ability to act as a semiconductor is essential for the photovoltaic effect, converting light into electricity.
- Abundance & Cost: Silicon (\(Si\)) is readily available in the Earth's crust and cost-effective for manufacturing solar panels.
Why other elements are unsuitable:
- Sodium (\(Na\)): This alkali metal is highly reactive and not suitable for solar cells.
- Silver (\(Ag\)): While a good conductor, its high cost makes it impractical for large-scale solar cell production.
- Sulphur (\(S\)): This non-metal element lacks the necessary semiconductor properties required for solar cells.
Silicon's combination of semiconductor properties, abundance, and reasonable cost makes it the standard material for solar cells.
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