▎ 摘　　要

NOVELTY - A graphene semiconductor junction device comprises a substrate (10), a gate electrode (30) positioned on the substrate, a gate insulating layer (40) that is positioned on the substrate to cover the gate electrode, a graphene layer positioned on the gate insulating layer, a semiconductor layer that is positioned on the graphene layer so as not to be joined to an edge of the graphene layer, a drain electrode positioned on the semiconductor layer, and a source electrode that is positioned on the graphene layer to be separated from the semiconductor layer. USE - Graphene semiconductor junction device. ADVANTAGE - The graphene semiconductor junction device has improved on/off ratio and a voltage level by having a structure in which a graphene edge does not come into contact with a semiconductor. DESCRIPTION OF DRAWING(S) - The drawing shows a sectional view of a graphene semiconductor junction device. Substrate (10) Lower substrate (11) Upper substrate (12) Gate electrode (30) Gate insulating layer (40)