Strong surface enhancement Raman spectroscopy signal of 4-aminothiophenol on silver substrate prepared by controlled electrodeposition is documented in this article.Enhancement factor was found to be affected not only...Strong surface enhancement Raman spectroscopy signal of 4-aminothiophenol on silver substrate prepared by controlled electrodeposition is documented in this article.Enhancement factor was found to be affected not only by nanoparticle size,shape,orientation and spatial distribution,but also by interaction of Ag nanoparticles with thiol group of testing analyte.Self-assembled monolayers formation was contributed to this unique signal enhancement.The enhancement factor was established of 1.81×10^(14).展开更多
In this letter. we report that oxidation of 4-aminothiophenol self-assembled monolayeron An electrode produces a couple of redox current peaks with close peak potentials in 0.5 mol/LHCIO4 aqueous solution, and the pea...In this letter. we report that oxidation of 4-aminothiophenol self-assembled monolayeron An electrode produces a couple of redox current peaks with close peak potentials in 0.5 mol/LHCIO4 aqueous solution, and the peaks are ascribed to an electroactive monolayer.Electrochemical properties of the monolayer polymer were investigated with use ofelectrochemical quartz crystal microbalance and cyclic voltammetry.展开更多
基金supported by the financial Grants VEGA 1/0211/12 and APPV-0280-11
文摘Strong surface enhancement Raman spectroscopy signal of 4-aminothiophenol on silver substrate prepared by controlled electrodeposition is documented in this article.Enhancement factor was found to be affected not only by nanoparticle size,shape,orientation and spatial distribution,but also by interaction of Ag nanoparticles with thiol group of testing analyte.Self-assembled monolayers formation was contributed to this unique signal enhancement.The enhancement factor was established of 1.81×10^(14).
文摘In this letter. we report that oxidation of 4-aminothiophenol self-assembled monolayeron An electrode produces a couple of redox current peaks with close peak potentials in 0.5 mol/LHCIO4 aqueous solution, and the peaks are ascribed to an electroactive monolayer.Electrochemical properties of the monolayer polymer were investigated with use ofelectrochemical quartz crystal microbalance and cyclic voltammetry.