Journal
JOURNAL OF APPLIED PHYSICS
Volume 107, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3298473
Keywords
dendritic structure; electroless deposition; nanostructured materials; organic compounds; silicon; silver; surface enhanced Raman scattering
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Funding
- National Science Foundation of China [50972145]
- National Basic Research Program of China [2007CB936601]
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We report a facile and efficient synthetic route for Ag dendritic nanostructures on Si wafer via an electroless deposition process. The formation of the Ag dendritic nanostructures is based on a self-assembled localized microscopic electrochemical cell model. These Ag dendritic nanostructures have exhibited very strong surface-enhanced Raman scattering (SERS) effect using rhodamine 6G as probe molecules, and have been used as SERS substrate for detection of low concentration polychlorinated biphenyl-77 with fast time response. The Ag dendritic nanostructures reported here have potentials as SERS substrates for fast detecting other polychlorobiphenyls.
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