DOI: 10.1039/d6ta05855h ISSN: 2050-7488

Surface redox regulation of commercial NiO x by aqueous ammonia for durable inverted perovskite solar cells

Yu Jiang, Kuina Yuan, Xisheng Zhang, Fanyue Kong, Jiawei Wang, Jiaqi Du, Yongqi Yin, Yusuke Yamauchi

Aqueous-ammonia pretreatment creates a more Ni 2+ -rich surface on commercial NiO x . The resulting inverted perovskite solar cells show improved efficiency and thermal and ambient storage stability.

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