Fundamental Study on the Fabrication of Inverted Planar Perovskite Solar Cells Using Two-Step Sequential Substrate Vibration-Assisted Spray Coating (2S-SVASC)

Table 3 Operating conditions of spraying steps used for the fabrication of perovskite thin films by 2S-SVASC

Reagent	Solvent	Nozzle tip speed (mm/s)	No. of spray passes	Spray flow rate (μL/min)	Concentration (g/mL)
PbCl₂	DMSO/DMF (vol. ratio: 3/1)	50	1	200	0.26
MAI	IPA	5	2	400	0.01