Deposition of PEDOT: PSS Nanoparticles as a Conductive Microlayer Anode in OLEDs Device by Desktop Inkjet Printer

Table 1

Contact angle, viscosity, surface tension, and conductivity of PEDOT: PSS ink formulation.

Ink formulation	Contact angle (°)	Viscosity (cP)	Surface tension (mN/m)	Conductivity (S/m)
PEDOT: PSS as received	44	15	62	0.1
PEDOT: PSS diluted with 50 wt% of deionized water	40	8	71	0.05
PEDOT: PSS diluted with 50 wt% of deionized water + 5 wt% Triton X + 1 wt% Surfynol DF-1100 + 1 wt% Glycerol	38	6	48	3.4