Since their invention 10 years ago, perovskite solar cells (PSCs) have shown a dramatic increase in conversion efficiency compared with other so-called third-generation solar cells. In 2018, some laboratory tests found that a single-junction PSC cell could reach up to 23% efficiency. Its technology has benefited from developments carried out for dye-sensitized solar cells (DSSC) and organic solar cells (OSC), also called organic photovoltaic (OPV) cells.
Manufacturing of PSCs could be done by roll-to-roll coating, including well-known technologies such as slot die, spray coating, ink-jet printing, or through evaporation. This basically eliminates the need for wafer manufacturing and other related processes used in crystalline silicon (c-Si) cells. Based on rough calculations, IHS Markit estimates that the production costs of PSCs could be five to six times lower than crystalline products.
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