Dark I–V–T measurements and characteristics of (n) a-Si/(p) c-Si heterojunction solar cells
2001
Abstract Heterojunction solar cells have been manufactured by depositing n-type a-Si:H on p-type 1–2 Ω cm Cz single-crystalline silicon substrates. An efficiency of 14.2% has been obtained for 1 cm 2 solar cells by using a simple (Al/(p) c-Si/(n) a-Si:H/ITO/metal grid) structure. With an additional surface texturing, we have reached an efficiency of 15.3% for 1 cm 2 solar cells. We have investigated the dark IV -curves in order to contribute to a better understanding of the basis of solar cells.
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