Hybrid films of reduced graphene oxide modified with gold nanorods and its study as surface-enhanced Raman spectroscopy platform

摘要

In this work, spin-assisted hybrid films of graphene oxide (GO) modified with gold nanorods (Au NRs) were prepared, with a subsequent chemical reduction (RGO). The Au NRs were homogeneously distributed on GO edges and surface, showing a strong interaction between both nanomaterials. The RGO/Au NRs hybrid films were used as substrate for detection studies of crystal violet by surface enhancement Raman spectroscopy (SERS). The results demonstrate that the hybrid RGO/Au NRs films prepared by the spin coating technique have great potential as SERS substrates using low amounts of nanomaterials displaying an enhancement factor of 10(3). (C) 2020 Elsevier B.V. All rights reserved.