Table 1. Experimental characteristic parameters of OSCs with different structures. The parameters include open-circuit voltage (V_OC), short-circuit current (J_SC), fill factor (FF), and power conversion efficiency (PCE).

	VOC	JSC		PCE
Device	(V)	(mA/cm2)	FF	(%)
Ag-Planar-Inverted	0.61 ± 0.02	3.30 ± 0.15	0.37 ± 0.02	0.73 ± 0.10
Ag-Grating-Inverted	0.61 ± 0.01	5.76 ± 0.28	0.56 ± 0.05	1.73 ± 0.21
Ag-Planar-Normal	0.61 ± 0.01	2.73 ± 0.25	0.44 ± 0.02	0.74 ± 0.10
Ag-Grating-Normal	0.61 ± 0.02	2.98 ± 0.21	0.41 ± 0.03	0.75 ± 0.21