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A wet chemical approaches affiliated with the traditional colloids has been introduced to provide the nanometer silver particle with nanostructure for the fabrication of the Ag active SERS substrate. The ultra-simple and facile method has been demonstrated. The Ag silver particle was reduced from AgNO3 in the presence of polyacrylic acid (PAA) and ethanol amine (EA) acting as the surfactant and co-surfactant...
A facile route to synthesize Cu@Ag core-shell nanoparticles (NPs) were developed via the reduction of silver salt by L-ascorbic acid on the surface of the Cu core as the seed. The obtained nanoparticles have relatively uniform size and morphology with high monodispersity even in large quality and possess outstanding antioxidation performance under ambient atmosphere. The well-dispersed stable Cu@Ag...
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