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- W4382023887 abstract "We report here a novel method on the assembly of gold nanoparticles (NPs) at the gold electrode surface, which was induced by in situ produced H+ ions at the surface though the electrooxidation of hydroquinone (QH2). In situ Raman spectroscopy was employed to monitor the assembly by detecting the signal of adsorbed QH2. Electrooxidation of other molecules like ascorbic acid (VC) can also be utilized to the assembly of gold NPs at the electrode surface. Surface morphology of the aggregated gold NPs has been characterized by scanning electron microscopy (SEM). The assembled film of aggregated gold NPs can serve as an excellent substrate for surface-enhanced Raman scattering (SERS) using pyridine (Py) or melamine as the probe molecule. As a preliminary application of this strategy, we also assembled films of aggregated colloidal Pt NPs at the gold electrode surface by the electrooxidation of VC." @default.
- W4382023887 created "2023-06-27" @default.
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- W4382023887 date "2011-03-01" @default.
- W4382023887 modified "2023-10-14" @default.
- W4382023887 title "Assembly of Aggregated Colloidal Gold Nanoparticles on Gold Electrodes by In Situ Produced H+ Ions for SERS Substrates" @default.
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- W4382023887 doi "https://doi.org/10.1016/s1452-3981(23)15024-3" @default.
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