Abstract
Abstract We have researched the electrical characteristics of Au/P3HT:PCBM/n-6H–SiC/Ag Schottky barrier diode (SBD) fabricated with a polymer interface layer between 300 and 375 K temperatures. The experimentally obtained parameters from current-voltage (I–V) measurements are calculated with four different current conduction models. It is observed that parameters calculated from research findings related to different methods are compatible with each other. The barrier inhomogeneity of the metal-polymer-semiconductor (MPS) interface layer is explained by Gaussian distribution (GD). Furthermore, the mean barrier height ( Ф ‾ bo) and the modified effective Richardson constant (A**) are found by drawing Richardson curves of the sample. Finally, the electrical properties of Au/P3HT:PCBM/n-6H–SiC/Ag SBD have been determined to affect the interface materials and the interface state density (Nss) as well as the current conduction models.
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