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[Chemical Knowledge]：What are the upstream raw materials for polysilicon? What do the downstream products contain?

Read： 415 Time：19months ago Source：Transform the World with Simplicity

Polysilicon plays an important role in the field of raw materials for chemical production, and its upstream and downstream related products are extensive. The following will introduce polysilicon upstream and downstream associated products in detail.

upstream related products:

1. Quartz sand: Quartz sand is one of the main raw materials in the production of polysilicon, used to extract high-purity silicon.
2. Coke: Coke is used as a reducing agent in the production of polysilicon for the reduction of oxides to pure silicon.
3. Hydrogen chloride: Hydrogen chloride is used in the production of polysilicon to produce trichlorosilane, which in turn produces polysilicon.

downstream related products:

1. Solar cells: Polysilicon is the main raw material of solar cells, through cutting, grinding, cleaning and other processes into solar cells for solar power generation.
2. Semiconductor wafers: Polysilicon can also be used to produce semiconductor wafers for the manufacture of integrated circuits, discrete devices and other semiconductor products.
3. organic silicon compounds: polysilicon can react with organic compounds to generate organic silicon compounds, which are widely used in sealing, lubrication, coating and other fields.

above is only a part of the upstream and downstream related products of polysilicon. In fact, polysilicon is widely used in the field of chemical production raw materials, and there are many upstream and downstream related products. In general, as an important chemical raw material, polysilicon plays an irreplaceable role in solar energy, semiconductors and other fields, and its development prospects are broad.

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