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Graphene has demonstrated excellent field emission performance, however, the emitted-current shows irreversible decline. The cause of this decline has not been clearly studied or thoroughly identified, which limits application of graphene as field emitters. In this work, accompanied by the decay of emission currents, the damage to few-layer graphene sheets was observed for the first time by introducing...
Surface enhanced Raman spectrum of graphene was obtained by modifying graphene with Ag nano-particles. The doublet of D band and 2D band was observed due to surface enhanced Raman scattering (SERS) enhancement and relaxation of the selection rules originated from the interaction of Ag nano-particles and graphene. The difference in the doublet of D band in which the separation between the two peaks...
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