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Current density-voltage characteristics of the PV cells with (solid line) and without (dashed line) a 30 nm layer. The black curves represent the dark current and the red curves represent the photocurrent under of simulated AM 1.5G irradiation.
(a) Measured EQE of the PV cells with (solid line) and without (dashed line) an additional 30 nm layer. (b) Estimated lower limit of the internal quantum efficiency of the PV cells using the EQE and 1-reflectance results as shown in Figs. 2(a) and 3 respectively.
Measured 1-reflectance plot of the PV cells, , with an additional layer of different thicknesses.
PL intensities of PbS-OA, PbS-BDT, and thin films on quartz substrate.
Summary of the performance of the PV cells.
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