All-inorganic inverse perovskite solar cells using zinc oxide nanocolloids on spin coated perovskite layer

Nano Convergence

Table 1 Performance of perovskite solar cell using synthesized ZnO nanoparticles

Sample	Synthesis method	Scan direction	Jsc (mA/cm²)	Voc (V)	FF (–)	η (%)	Particle diameter (nm)
H₂O	Aqueous process	Forward	7.95	0.905	0.233	1.68	7
H₂O	Aqueous process	Reverse	10.1	0.867	0.136	1.19
1	Non-aqueous process	Forward	15.2	0.873	0.330	4.39	25
1		Reverse	14.7	0.850	0.336	4.25
2		Forward	11.1	0.841	0.357	3.33	42
2		Reverse	10.2	0.845	0.376	3.25
3		Forward	0.871	0.405	0.453	0.160	75
3		Reverse	1.10	0.417	0.645	0.296

Scan direction: forward J _SC → V _OC and reverse: V _OC → J _SC. Cell active area is 3 × 3 mm² defined by a black mask