ITO—indium tin oxide	e—electron charge
TCO—transparent conductive oxide	n0—concentration of charge carriers
HOMO—the highest occupied orbital	µ—mobility of charge carriers
LUMO—the lowest vacant orbital	ε—polymer permittivity
co-PAEK—copoly(arylene ether ketone)	ε0—dielectric constant
TMA—thermo-mechanical analysis	IS—saturation current
AFM—atomic force microscopy	Uthr—threshold voltage for the transition to the super-linear regime
Mn—number-average molecular weight	φB—potential barrier height
Mw—weight-average molecular weight	T—temperature
PD—polydispersity	k—Boltzmann constant
ηred—reduced viscosity	S—contact area
Rq—root-mean-square roughness	A**—Richardson constant
L—thickness of the polymer film