SERS substrates

SERS-substrates

Surface enhanced-Raman scattering (SERS) spectroscopy is a very powerful analytical method for detecting minimal amounts of species where local field enhancement by plasmonic nanomaterials can lower the detection limits to sub nanomolar level. Nanostructured metallic surfaces are used to achieve high sensitivity of this method and are called SERS-active substrates. 

 

Nanoversa excitation wavelength tailored SERS-active substrate 

Nanoversa excitation wavelength tailored SERS-active substrates, presented as an active chip placed on a glass slide, are sold in a plastic box. This is a unique product in Raman spectroscopy community because the enhancement is based not solely on the broad Localised Surface Plasmon Resonance of metal nanoparticle but rather on the ultra-sharp surface lattice resonance (SLR) which is a combination of the LSPR coupling to the diffractive scattering of well-positioned nanoparticles.

SERS sensitive plasmonic metal nanoparticles arrays are deposited on the flexible nanoscale matrix by our own developed CAPA system.

These unique SERS-substrates, characterized by the spectral position of surface lattice resonance positions, can be chosen or custom developed for different excitation wavelengths of Raman scattering signatures depending on your needs. After being introduced they have already demonstrated their effectiveness for detection of solid and liquid substances and structural analyses by Raman spectroscopy.

Gold and Silver nanoparticles could be used as SERS-active material.

Nanoversa excitation wavelength tailored SERS-active substrates, presented as an active chip placed on a glass slide, are sold in a plastic box.

 

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