High-performance NO2 sensors based on chemically modified graphene.

W Yuan, A Liu, L Huang, C Li, G Shi - Advanced Materials (Deerfield …, 2012 - europepmc.org
W Yuan, A Liu, L Huang, C Li, G Shi
Advanced Materials (Deerfield Beach, Fla.), 2012europepmc.org
Covalently grafting reduced graphene oxide (rGO) sheets with sulfophenyl or
ethylenediamine groups can produce chemically modified graphene (CMG) for fabricating
high-performance gas sensors. The NO (2) sensors based on these CMGs exhibit
sensitivities 4 to 16 times higher than that of a sensor based on rGO. They also show
excellent selectivity and repeatability without the aid of UV-light or thermal treatment.
Covalently grafting reduced graphene oxide (rGO) sheets with sulfophenyl or ethylenediamine groups can produce chemically modified graphene (CMG) for fabricating high-performance gas sensors. The NO (2) sensors based on these CMGs exhibit sensitivities 4 to 16 times higher than that of a sensor based on rGO. They also show excellent selectivity and repeatability without the aid of UV-light or thermal treatment.
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