Patent ID: 9653674
Date: 2017-05-16
CPC Classifications: H01L

Claim:
1. A contact electrification effect-based back gate field-effect transistor, comprising: a conductive substrate; an insulating layer formed on a front face of the conductive substrate; a field-effect transistor assembly comprising: a channel layer formed above the insulating layer, a drain and a source formed above the channel layer, and a gate formed on a back face of the conductive substrate; and a triboelectric nanogenerator assembly comprising: a static friction layer formed at a lower surface of the gate, a movable friction layer disposed opposite to the static friction layer and a second electro-conductive layer formed at an outside of the movable friction layer and being electrically connected to the source; wherein, the static friction layer and the movable friction layer are made of materials which are in different ratings in triboelectric series, and the static friction layer and the movable friction layer are configured to be switchable between a separated state and a contact state under the action of an external force.