Table 1.

Performance criteria of organic transistors with different dielectrics.

Dielectric Materials	Thickness (nm)	Ci (nF/cm2)	k	Vth (V)	Ion/Ioff	SS (V/decade)	Ntrap (cm−2)
Sol–gel SiOx	150	35.2	6	−2.2	~103	1.5	5.32 × 1012
Improved Sol–gel SiOx	150	48.5	8.2	−2.3	1 × 105	0.8	3.76 × 1012
Improved Sol–gel SiOx/PVP	170	40.3	7.8	−1.7	5 × 105	0.4	1.44 × 1012