Table 1 Enhancement factors, bulk suppression, and surface-enhancement multiplied by bulk-suppression as figure of merit for the performance of PAuM for 660 and 785 nm excitations

From: Bulk-suppressed and surface-sensitive Raman scattering by transferable plasmonic membranes with irregular slot-shaped nanopores

Wavelength

Enh. G

Enh. 2D

Bulk suppression

Surface-enhancement × bulk-suppression

660 nm

72

69

10

690 to 720

785 nm

33

165

6.6

220 to 1100

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