Fig. 1

Schematic of (a) experimented and (b) simulated PSC with a planar configuration47, (c) normalized spectral absorption for each layer in the PSC with planar structure, (d) energy band diagram for two states of V = 0 V and V = Voc.
Schematic of (a) experimented and (b) simulated PSC with a planar configuration47, (c) normalized spectral absorption for each layer in the PSC with planar structure, (d) energy band diagram for two states of V = 0 V and V = Voc.