GRAPHENE-BASED GAS AND BIO SENSOR WITH HIGH SENSITIVITY AND SELECTIVITY

摘要

A graphene sensor and method for selective sensing of vapors, gases and biological agents are disclosed. The graphene sensor can include a substrate; a dielectric substrate on an upper layer of the substrate; a layer of graphene on an upper layer of the dielectric substrate; and a source and drain contact on an upper surface of the layer of graphene. The method for detection of vapors, gases and biological objects with low frequency input as a sensing parameter can include exposing a graphene device to at least one vapor, gas, and/or biological object, the graphene device comprising: a substrate; a dielectric substrate on an upper layer of the substrate, a layer of graphene on an upper layer of the dielectric substrate, and a source and drain contact on an upper surface of the layer of graphene; and measuring a change in a noise spectra of the graphene device.

主权项

1. A graphene sensor for selective sensing of vapors, gases and biological agents, the graphene sensor comprising:
a substrate; a dielectric substrate on an upper layer of the substrate; a layer of graphene on an upper layer of the dielectric substrate; and a source and drain contact on an upper surface of the layer of graphene.