PSCs	Perovskite solar cells
PCEs	Power-conversion efficiencies
HTL	Hole transport layer
ETL	Electron transport layer
HTM	Hole transport material
CuI	Cuprous iodide
VOC	Open-circuit voltage
JSC	Short-circuit current density
FF	Fill factor
H.I.	Hysteresis index
ITO	Indium tin oxide
Li-TFSI	Lithium bis- (trifluoromethylsulfonyl)imide
4-tBP	4-tert-butylpyridine
SnO2	Tin (IV) oxide
Spiro-OMeTAD	2,2′,7,7′-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9′-spirobifluorene
PDMS	Polydimethylsiloxane
tCu	Thickness of copper film
TIod	Iodization temperature
tTP	Transfer-printing time
PTP	Transfer-printing pressure
TTP	Transfer-printing temperature
J-V	Current density–voltage
XRD	X-ray diffraction
SEM	Scanning electron microscope
PL	Photoluminescence