Characterization and Optical and Dielectric Properties of Polyvinyl Chloride/Silica Nanocomposites Films

Table 2

Activation energies of pure PVC and PVC/ SiO₂ nanocomposite films according to the Arrhenius relation within the temperature range of 300–370 K.

Frequency	Activation energy (eV)
	Pure PVC	1% NS	2% NS	4% NS
60 kHz	0.727	0.36	0.26	0.29
90 kHz	0.68	0.34	0.25	0.28
0.3 MHz	0.44	0.34	0.2	0.20
0.5 MHz	0.38	0.24	0.18	0.20
1 MHz	0.42	0.24	0.17	0.19
1.4 MHz	0.16	0.21	0.11	0.11
2 MHz	0.10	0.12	0.08	0.09