Human-Finger Electronics Based on Opposing Humidity-Resistance Responses in Carbon Nanofilms

Journal article by Yanlong Tai, Gilles LubineauORCID

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Publisher: Wiley-VCH Verlag

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Abstract
Carbon nanomaterials have excellent humidity sensing properties. Here, it is demonstrated that multiwalled carbon-nanotube (MWCNT)- and reduced-graphene-oxide (rGO)-based conductive films have opposite humidity/electrical resistance responses: MWCNTs increase their electrical resistance (positive response) and rGOs decrease their electrical resistance (negative response). The authors propose a new phenomenology that describes a