Polycrystalline silicon

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Fraction of polycrystalline silicon (used for the production of Momentum Silicon)

Polycrystalline silicon, commonly known as polysilicon, is a large polycrystalline silicon block used in the production of monocrystalline silicon and integrated circuits. Technically "polysilicon", is a silicon monocrystalline coil of size from 1 μm to even 100 μm between which is almost completely amorphous silicon. The polycarbonate life span is 15 years.

Silicon blocks containing silicon monocrystals of the order of 10 nm - 1 μm, which are prefaced with amorphous silicon, are referred to as microcrystalline silicon, or sometimes nanocrystalline silicon.

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