Comparison of Ag and Ag/Au SERS substrates and their EFs.

S. No.	SERS substrates	Analyte (concentration)	Peaks (cm−1)	EF	Ref.
1	Silver nanodendrites	R6G (10−9 M)	613	0.85 × 108	This work
2	Silver nanocubes	R6G (10−7 M)	611	8.7 × 1010	45
3	Ultrafast laser photoreduction of Ag+	R6G (1 mM)	612	1 × 1011	46
4	Silver nanodendrites supported on Al sheets	R6G (10−6 M)	612	6.6 × 103	47
5	Ag/pyramidal Si	R6G (10−5 M)	613	6.7 × 103	48
6	Silver nanodendrites	RDX (5 × 10−6 M)	884	1.1 × 104	This work
7	Silver nanocubes	RDX (10−9 M)	881	9.2 × 1010	45
8	Ag–Au alloy NPs loaded Si micro arrays	RDX (10−6 M)	883	9.3 × 104	44
			1214	7.5 × 104
9	rGO–Ag nanocomposite	RDX (10−12 M)	880	1.0 × 109	49
10	Gold nanoparticles	RDX (10−5 M)	882	1.0 × 104	52
11	Silver nanodendrites	AN (10−6 M)	1048	3.1 × 104	This work
12	Ag–Cu NPs	AN (5 mM)	1047	3.3 × 104	50
13	AgNPs in PS nanofibers using electrospinning	RDX (10−7 M)	872	105	51