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Morelli, L. (author), Ricciardella, F. (author), Koole, Max (author), Persijn, Stefan (author), Vollebregt, S. (author)A novel gas sensor based on multi-layered graphene (MLG) functionalised with gold nanoparticles (Au-NPs) is presented. We demonstrate for the first time that: (1) the signal saturates during the analyte exposure, something which does not occur in the pristine material and in graphene-based gas sensors in general; (2) the sign of the device...conference paper 2020