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SERS-Substrate

30.10.2009
The technology provides a flexible and reusable

surface enhanced Raman scattering (SERS) substrate. For this purpose sub-surface-silver nanoparticles are embedded in a glassy matrix. Until now main problems of SERS active substances are oxidation effects that are irrelevant for this new technology.

Therefore, soda-lime silicate glass was doped with nanoparticles using thermal ion-exchange techniques. Afterwards, the nucleation and growth of the metal nanoparticles were activated and controlled by exposure to a hydrogen atmosphere followed by annealing. (Raman spectroscopy)

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