$\alpha$	absorption coefficient
AC	alternating current
c	speed of light
CSD	chemical solution deposition
d	sample thickness
DFT	density functional theory
DFT-LDA	density functional theory in local density approximation
DFT-GGA	density functional theory in generalised gradient approximation
DC	direct current
$E_{1E}$	energetic position of the first interference maxima (for R) or minima (for T)
$E_g$	band gap
FOM	figure of merit
$F_{TR}$	FOM based on transmittance and reflectance measurements
$F_T$	simplified FOM based on transmittance measurements
$F_{T{R}_0}$	FOM based on transmittance measurement and reflectance estimation
GW	DFT correction based on an expansion of the single-particle
	Green’s function G with respect to the Coulomb interaction W
h	Plank constant
ITO	indium tin oxide
k	extinction coefficient
LED	light emitting device
$\mu$	carrier mobility
MBE	molecular beam epitaxy
$\nu$	frequency
n	refractive index
$n_c$	carrier concentration
OLED	organic light emitting diode
PLD	pulsed laser deposition
$\rho$	resistivity
${\rho }_d$	density
r	Tauc exponent
R	reflectance
$R_0$	bulk material, normal incidence reflectance
$R_{av}$	measured, average normal incidence reflectance (1.5–3.0 eV)
RF	radio frequency
$R_s$	sheet resistance
$\sigma$	conductivity
SP	spray pyrolysis
$T_{av}$	measured, average normal incidence transmission (1.5–3.0 eV)
TCO	transparent conducting oxide
TFT	thin film transistor
TTFT	transparent thin film transistor
UV-VIS	ultraviolet-visible
XRD	X-ray diffraction
XRR	X-ray reflection