Pentacene-Based Thin Film Transistor with Inkjet-Printed Nanocomposite High-K Dielectrics

Table 2

Electrical characteristics of thermally pentacene TFTs prepared with various doping concentration whose nanocomposite insulators were fabricated by IJP and SPC.

	𝑉th (V)	On/Off ratio	Mobility (cm^2/Vs)	𝐶ox  (pF/mm^2)	S.S. (V/decade)
PVP+TiO2 3 wt% (spin-coating)	−7.5	10^7	0.53	90	1.9
neat PVP9 wt% (cross-linked)	−9.1	7 × 10^3	0.23	75	5.6
PVP+TiO2 1 wt%	−7.3	4.5 × 10^3	0.42	94	5.3
PVP+TiO2 3 wt%	−5.4	3.8 × 10^3	0.58	107	5.6
PVP+TiO2 5 wt%	−6.6	3.5 × 10^3	0.49	124	5.7