Polycrystalline silicon

Multicrystalline PV involves a cheaper manufacturing process than monocrystalline silicon with the cells being cut from an ingot of melted and re-crystallized silicon. Sliced from blocks of cast silicon, these wafers/cells are both less expensive to manufacture and less efficient than single-crystal silicon cells. Research cells approach 24- percent efficiency, and commercial modules approach 16-percent efficiency. Polycrystalline silicon panels have efficiencies of 12% to 14% and can often be

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