Silver migration at the surface of ion-exchange waveguides: a plasmonic template
作者： Patrícia Loren Inácio , Bruno J. Barreto , Flavio Horowitz , Ricardo R. B. Correia , Marcelo B. Pereira
DOI: 10.1364/OME.3.000390
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摘要: The formation and evolution of metallic-silver nanoparticles capped with silver oxide, in the surface Ag-doped waveguides produced by ion-exchange, were characterized. samples exposed to air atmosphere for periods lasting until 35 days their aging process was investigated optical Atomic Force Microscopy (AFM) measurements. results evidence migration Ag+ cations from inside glass at room temperature, followed aggregation (NPs) oxidation, creating a nanometric-thick layer over waveguide surface. This employed surface-enhanced Raman scattering (SERS) signal fabrication holographic diffraction gratings (HDG), which are presented as application examples this material new plasmonic template.
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