Abstract
The stabilization of colloidal silver particles has been studied by SERS. Replacement of the primary anionic stabilizer, present during colloid preparation, by cationic surfactants was monitored by the corresponding changes in the SERS spectrum. Partial information on the geometry of adsorption was obtained. Small silver particles prepared by γ-irradiation can be protected from air oxidation by a compact layer of perfluoro-surfactant stabilizer. A quantitative model for changes in the absorption spectrum caused by surface oxidation of the silver spheres is presented.
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© 1988 Dr. Dietrich Steinkopff Verlag GmbH & Co. KG
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Wiesner, J., Wokaun, A., Hoffmann, H. (1988). Surface enhanced Raman spectroscopy (SERS) of surfactants adsorbed to colloidal particles. In: Degiorgio, V. (eds) Trends in Colloid and Interface Science II. Progress in Colloid & Polymer Science, vol 76. Steinkopff. https://doi.org/10.1007/BFb0114205
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DOI: https://doi.org/10.1007/BFb0114205
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Online ISBN: 978-3-7985-1693-9
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