The allotropic forms of silicon range from a single crystalline structure to a completely unordered amorphous structure with several intermediate varieties. In addition, each of these different forms can possess several names and even more abbreviations, and often cause confusion to non-experts, especially as some materials and their application as a PV technology are of minor significa.
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Crystalline silicon or (c-Si) is the forms of , either (poly-Si, consisting of small crystals), or (mono-Si, a ). Crystalline silicon is the dominant used in technology for the production of . These cells are assembled into as part of a to generate
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In , a wafer (also called a slice or substrate) is a thin slice of , such as a (c-Si, silicium), used for of and, in , to manufacture . The wafer serves as the for devices built in and upon the wafer. It undergoes many processes, such as ,
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