Controlled synthesis and optical properties of Cu/C core/shell nanoparticles
Source abstract
Abstract
Copper-carbon core-shell nanoparticles were synthesized on a large scale by metal-organic chemical vapor deposition using copper (II) acetylacetonate as precursor. It was shown that the thickness of carbon shell and the diameter of copper cores could be easily tuned from 1.5 to 7.9 nm and from 15 to 21 nm, respectively, by controlling the reaction temperature and the flow of carrier gas in the synthesis process. The ultraviolet-visible absorption and fluorescence spectral analyses demonstrated that the thickness and crystallinity of the carbon shells had a significant effect on the surface-plasmon resonance band and the fluorescence emission properties of the copper nanocores, which suggested that the carbon shells could remarkably change the surface electronic states of the copper cores.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Gold and Silver Nanoparticles Synthesis and Applications · Laser-Ablation Synthesis of Nanoparticles · Graphene research and applications
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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