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Characterization of (Nanostructures Silver/Silicon Nano Porous) Active Substrates for Surface Enhanced Raman Scattering (SERS) as a Function to Porous Silicon Parameters | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 33, 3B, 2015, Pages 556-563 PDF (438.13 K) | ||
| DOI: 10.30684/etj.33.3B.15 | ||
| Authors | ||
| Russul M. shehab; Alwan M. Alwan | ||
| Abstract | ||
| Electrochemical etching processes at different current densities were used to prepare nano porous silicon with different porosities.A series of nanostructures silver/ nanoporous silicon (NAg/NPSi)active substrate was prepared by an immersion-platingmethod.Through controlling the current density,the surface-enhanced Raman scattering (SERS)behaviors to crptocyanen (CY) dyewere contrastively studied, fora concentration of (10−5 M),The (SERS) behavior was attributed to the size of the deposited silver nanoparticles on porous layer. The sensitivity of SERS signal increases with increasing the porosity of the porous sample. | ||
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