Highly Sensitive Surface Enhanced Raman Spectroscopy from Ag Nanoparticles Decorated Graphene Sheet

Table 1

Size distribution and coverage of Ag NPs decorated on GS at different immersing time.

Sample	Morphology	Immersing time/s	Coverage/%	Size/nm
A	Spheric	1	6.5	10–40
B	Spheric	5	7.9	20–50
C	Spheric	10	10.2	30–80
D	Spheric	20	12.6	50–100
E	Spheric	40	19.1	80–140
F	Quasi cubic	120	31.4	20–200