Humidity Sensor Based on Graphene Oxide Film Prepared by Simple Drop-Casting Process

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In this work, the film of graphene oxide was deposited by drop-casting process for humidity sensor device. The structural property of graphene oxide film was performed by Raman spectroscopy. The humidity device was fabricated onto the indium-tin oxide transparent electrode. The device exhibited the adsorption and desorption behavior of humidity in range of 23-93%RH. The complex impedance measurement was used to explain the mechanisms of the humidity device. The equivalent circuit model of the device has been demonstrated.

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199-203

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January 2017

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