Fig. 7From: SERS Detection of Dopamine Using Label-Free Acridine Red as Molecular Probe in Reduced Graphene Oxide/Silver Nanotriangle Sol SubstrateTEM of AgNT and SEM of rGO/AgNT. a TEM image of the 43.1 μg/mL AgNT; b SEM image of the 43.1 μg/mL rGO/AgNTBack to article page