Table 3.

Summary of dielectric and electronic properties of polymer brushes grafted from SiO₂ using ATRP.

Polymer Grafted Filler	Mean Diameter	Polymer Diameter/Graft Density	Active Semiconductor Layer	Molecular Weight	Capacitance (nF/cm2)	Eb (MV/cm)	VT	µFET cm2/(V·s)
PS-g-SiO2 (WF) [98]	300 nm	113 nm	Pentacene	135,000 g/mol	7.5 @ 100 Hz	NA	−38	0.094
PMMA-g-SiO2 [101]	~9 nm	~10 nm	Pentacene	NA	142 @ 1 MHz	7	−1	~0.2
PMMA-g-SiO2 [70]	2–3 nm	10 nm	CuPc	NA	220 @ 1 MHz	NA	−0.75	0.12