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Perovskite semiconductor solar cells are a very exciting photovoltaic technology possessing similar efficiencies to silicon but cast or printed in thin films via liquid inks. A new method that uses a simple sheet of paper to deposit the perovskite films that does so without any expensive equipment at all has been developed .
Italian and Iranian researchers have developed the new "deposition via an antisolvent-soaked applicator" technique, which they describe as an easily scalable process to produce uniform, pinhole-free perovskite