Perovskite solar cell achieves higher stability with new tin oxide layer

Using atomic layer deposition, a research team from the City University of Hong Kong has created an an oxygen-deficient tin oxide layer to replace the more common fullerene electron transport layer in perovskite solar cells. The result is a 25%-efficient device that is able to retain around 95% of its efficiency after 2,000 h. Researchers at the City University of Hong Kong (CityUHK) have presented a new fabrication technique for perovskite solar cells. The team developed two innovations in the structure of perovskite solar cells. The first involved integrating the hole-selective materials and ...

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