Recently poly styrene (PPS) and poly vinyl acetate (PVA) are being investigated as a gate insulator for organic thin film transistors(OTFTs), because their dielectric constant for PVA and PPS is high enough to be used for gate insulator in the OTFT de...
Recently poly styrene (PPS) and poly vinyl acetate (PVA) are being investigated as a gate insulator for organic thin film transistors(OTFTs), because their dielectric constant for PVA and PPS is high enough to be used for gate insulator in the OTFT device. We report characteristics of single layer dielectric constant for PPS and PVA, and double layer of PPS/PVA prepared by different plasma power. Composition and electrical properties of the plasma polymerized insulating layer were investigated by FT-IR, I-V, and C-V measurements. Influence of the preparation condition on the resulting plasma polymerized thin films were discussed.