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Labels (from top to bottom):
785 nm
633 nm
533 nm
Concentration:
PMBA 10-6 M
Solution:
Ethanol
Raman spectra show the differences between the intensity of SERS signals of 10-6 M PMBA using lasers of different wavelengths on Silver Substrate.
Laser wavelength: 785 nm
Laser power:
785 nm: 1.5 mW
633 nm: 0.2 mW
533 nm: 1.5 mW
Integration time: 10 second, 3 accumulations
Raman Spectrometer: Renishaw
Lens magnification: 20x
Sampling method: immersion
The substrate used: Premium-AgAu (interchangeably, you can use one of our substrates)