Research Article
RNA Detection Based on Graphene Field-Effect Transistor Biosensor
Figure 2
(a) SEM image of the as-grown graphene on the copper foil. (b) SEM image of graphene on glass substrate. (c) Raman spectrum of the graphene on glass substrate. (d) Raman spectra of graphene in the process of functionalization.
(a) |
(b) |
(c) |
(d) |