Studies on Absorption Spectra and Surface Enhanced Raman Spectra of Silver Organosols

Abstract

Abstract: The effects of 2-aminobenzoimidazole(BIMNH₂), NaOEt, LiCl on the absorption spectra and surface enhanced Raman scattering (SERS) spectra are studied.The experimental results indicate that a samll amount of adsorbed molecules, NaOEt, LiCl can influence the aggregation of silver organosols, and the absorption spectra and SERSspectra.Additionally, Cl^- forms surface complex compound with Ag, BIMNH₂, as a result, the SERSspectra are enhanced.The effect of solvent on SERS spectra are initially studied.

Key words: Absorption spectra, Surface enhanced Raman spectra, Silver organosol, Sodium ethoxide, Lithium chloride

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GU Ren-ao, HE Zhang-fei . Studies on Absorption Spectra and Surface Enhanced Raman Spectra of Silver Organosols[J]. Chem. J. Chinese Universities, 1992, 13(6): 791.

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Studies on Absorption Spectra and Surface Enhanced Raman Spectra of Silver Organosols

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