PMBA Repeatability

The graph shows thirty SERS spectra of 10^-6 M ethanol solution of PMBA (4-Mercaptobenzoic acid) collected from thirty consecutive Premium-AgAu hydrophobic SERSitive SERS substrate

Laser wavelength: 785 nm
Laser power: 6 mW
Integration time: 1 seconds
Raman Spectrometer: B&WTEK
Lens magnification: 50x
Sampling method: immersion
The substrate used: Premium-AgAu (interchangeably, you can use one of our substrates)