Comparison with other reported SERS substrates.

S. no.	SERS substrate	Molecule used	Sensitivity	EF	Ref.
1	Au–WS2 nanohybrids	R6G	10−12 to 10−15 M	1.80 × 109	This work
2	MoS2/Au heterostructure	R6G	10−10 M	8.1 × 106	42
3	WS2-gold nanoparticle heterostructure	4-ATP	10−10 to 10−11 M	Not mentioned	44
4	Au-nanoworms conjugated with MoS2 nanosheets	Rhodamine B	10−9 M	2.34 × 107	60
5	MoS2/Au/Ag nanostructures	R6G	10−10 M	8.57 × 106	43
6	3D plasmonic hybrids with bilayer WS2	R6G	10−11 M	Not mentioned	41