Monocrystalline silicon Solar Panels photovoltaic cells use monocrystalline silicon as raw material; polycrystalline silicon solar photovoltaic cells use polycrystalline silicon as raw material; amorphous silicon solar photovoltaic cells use amorphous silicon as raw material; gallium arsenide cells use gallium arsenide as raw material.
Monocrystalline silicon is produced from polycrystalline silicon; polycrystalline silicon is produced from silicon tetrachloride, trichlorosilane, silane, hydrogen, etc. Silicon tetrachloride is synthesized from industrial silicon and chlorine gas; trichlorosilane is synthesized from industrial silicon and hydrogen chloride; silane is prepared from magnesium silicide and ammonium chloride under the action of liquid ammonia; hydrogen is the product of electrolysis of water .
The production of chlorine gas requires electrolysis of salt water; the production of industrial silicon uses quartz sand and carbon; the production of monocrystalline silicon and cast polycrystalline silicon use dopants; the production of hydrogen chloride uses hydrogen and chlorine gas; electrolyzed water uses potassium hydroxide or sodium hydroxide.
To manufacture solar photovoltaic cells, in addition to the above-mentioned main materials, many auxiliary raw materials are also used, such as nitrogen, argon, chlorine, hydrogen chloride, hydrochloric acid, nitric acid, hydrofluoric acid, silicon carbide, etc. The materials used to make solar photovoltaic cells are too numerous to count.
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