Cigs Thin-film solar cell power generation
A copper indium gallium selenide solar cell (or CIGS cell, sometimes CI(G)S or CIS cell) is a thin-film solar cell used to convert sunlight into electric power. It is manufactured by depositing a thin layer of copper indium gallium selenide solid solution on glass or plastic backing, along with electrodes on the front.
CIGS is a --2 compoundcomposed of , , , and . The material is aof copper indium selenide (often abbreviated "CIS") and copper gallium selenide.
Film productionThe most common -based process is to co-evaporate or co-sputter copper, gallium, and indium onto a substrate at room temperature, then anneal the resulting film with a selenide vapor. An alternative process is to.
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The most common device structure for CIGS solar cells is shown in the diagram (see Figure 1: Structure of a CIGS device).of about of 1–3thickness is commonly used as a substrate, because thecontains sodium, which.
Concepts of the rear surface passivation for CIGS solar cells shows the potential to improve the efficiency. The rear passivation concept has been taken from passivation technology of Silicon solar cells.Al2O3 and SiO2 have been used as the passivation.
•Publications, Presentations, and News Database of the .• .• Michael KanellosOctober.
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