TSC due to space charge in polyvinylidene fluoride

Publisher Website
Google Scholar
Abstract
The unstretched, alpha -form polyvinylidene fluoride (PVDF) film shows the four TSC peaks, P1, P2, P3 and P4 in ascending order of temperature. The P1 and P2 peaks are due to the dipolar depolarisations associated with the alpha a and alpha c relaxations, respectively. The TSC spectrum in each film composing a three-layer specimen gave evidence for the P3 and P4 peaks originating from space charge near the anode. Besides, the use of a blocking PP electrode revealed the contribution of hole injection to the current in PVDF under the application of high field and also the contribution of injected positive space charge to the P3 and P4 peaks.