In-Depth Analysis on the Fabry-Perot Effect of Cs₂AgBiBr₆ Double Perovskite-Based Solar Cells via Optical Path Length Modulation

Table 1

Average optical performance of W/O and W/ Au electrode until 660 nm continuous wavelength light.

Absorption layer thickness (nm)	Average absorption		Average transmission		Average reflection
	W/O Au electrode	W/ Au electrode	W/O Au electrode	W/ Au electrode	W/O Au electrode	W/ Au electrode
150	0.16	0.32	0.65	—	0.19	0.68
300	0.23	0.38	0.62	—	0.15	0.62
450	0.28	0.42	0.57	—	0.14	0.58
600	0.32	0.46	0.53	—	0.15	0.54