Cost breakdown of raw materials utilized in fabricating a PSC module of 1 m² with 70% active area^120,121.

Raw material	Qty	Price (in USD)	Contribution towards total cost (%)	Comments
FTO glass	1 m2	766	43.0500	Processing cost of FTO is included
Ethanol	32.84 ml	4.59
DI water	32.70 ml	0.002
HCL solution	4.66 ml	1.8204
Blocking layer
TAA	19.16 ml	7.339	0.0066	For 100 nm layer and post deposition cleaning is included
Ethanol	32.84 ml	4.59
DI water	32.70 ml	0.002
ETL material
TiO2	49.5 g	41.12	0.02291	For 250 nm thick layer
Perovskite layer
PbI2	1.38 g	4.26	0.003811	For 100 nm thick solvent PbI2 followed by 200 nm thick solvent MAI
DMF	2.98 ml	0.5502
MAI	0.143 g	0.49
IPA	14.29 ml	1.538
HTL material
Spiro-OMeTAD	0.850 g	603.65	33.973	For 200 nm thick solvent HTM layer
Chlorobenzene	10.67 ml	5.9
Cathode
Au	1.65 g	330	18.392	For 100 nm thick layer
Encapsulation
3 M tape		22.32	0.012	Taped on both sides
PET	61.7 g	0.03