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Research Article

Perovskite Solar Cells Yielding Reproducible Photovoltage of 1.20 V

Table 1

Summarized J-V characteristics. J-V characteristics of the best devices with 5% GuaI content in comparison to the reference Cs5Pb device.

Samples  
(mA/cm2)
(V)FF  
(%)
PCE  
(%)

Cs5Pb23.01.137720.0
Cs5Pb.0.05GuaI23.61.207020.3