Fig. 1 | Scientific Reports

Fig. 1

From: Optoelectronic simulation and optimization of all perovskites tandem solar cells employing electrodeposited copper oxide as hole transport layer

Fig. 1

Schematic representation of (a) single junction WBG-perovskite, FA0.8Cs0.2Pb(I0.6Br0.4)3 \({(E}_{g}\approx 1.77 \,{\text{ eV}})\) device with Cu2O or CuO as HTL layer and single junction NBG-perovskite, FA0.7MA0.3Pb0.5Sn0.5I (\({E}_{g}\approx 1.22 \,{\text{ eV}})\) device with PEDOT: PSS as HTL layer. All-perovskite/perovskite tandem solar cell (PPTSC) device in (b) 2-terminal device architecture and (c) 4-terminal device architecture. (d) AM1.5G spectra received by front cell and filtered spectra received by back cell.

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