ORGANIC THIN FILM TRANSISTOR, METHOD FOR PREPARATION OF THE TRANSISTOR AND BIOSENSER USING THE SAME

摘要

PURPOSE: An organic thin film transistor, a method of manufacturing a transistor, and biosensor using the same are provided to protect an organic insulating layer from an external environment by forming an interface layer between a gate insulating layer and the organic semiconductor. CONSTITUTION: A gate electrode(20), a gate insulating layer(30), and a source/drain electrode(40) and an organic semiconductor layer(50) are included on a substrate(10). An interface layer is between the gate insulating layer and the organic semiconductor layer. The gate insulating layer includes an organic polymer, and the interface layer includes an inorganic matter. The gate insulating layer includes polyvinylphenol(PVP) or polyvinyl acetate(PVA), and it also includes a photoinitiator or a thermal initiator. The interface layer includes one selected from a group composed of Zns, CdS, and(Zn, Cd)S.