One-step preparation and characterization of core-shell SiO 2 /Ag composite spheres by pulse plating
Source abstract
Abstract
Abstract A simple method of one-step pulse plating was used in the fabrication of core-shell SiO 2 /Ag composite spheres. Structural characteristics and morphologies of the prepared SiO 2 /Ag composite spheres are characterized by means of X-ray diffraction, scanning electron microscope, and transmission electron microscopy. The Ag shell is uniformly coated on the surface of SiO 2 spheres with the thickness of about 20 nm. Photoluminescence (PL) spectrum has revealed that PL of the core-shell samples is much stronger than that of bare SiO 2 spheres. Raman spectrometer measurements show that the SiO 2 /Ag composite spheres have excellent surface-enhanced Raman scattering performance. In addition, the current-voltage characteristic of SiO 2 /Ag composite spheres has improved at the same time.
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Research context
OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Plasmonic and Surface Plasmon Research · Photonic Crystals and Applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
College of Electrical Engineering and New Energy, China Three Gorges University, Yichang, Hubei 443002, China
College of Science, China Three Gorges University, Yichang, Hubei 443002, China
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