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Core–Shell Nanoparticles Containing Peptide Dendrimers

  • Anas Lataifeh
  • Heinz-Bernhard Kraatz
  • Lyudmila V. Goncharova
Article
  • 123 Downloads

Abstract

Dealloying of bimetallic gold core–silver shell nanoparticles (NPs) is achieved using peptide dendrimers from generation 1 to generation 3. The resulting NPs exhibit optical properties characteristic of Au/Ag core–shell NPs with weak surface plasmon resonance interactions between the core and shell. Transmission electron microscopy and x-ray photoelectron spectroscopy of the core–shell NPs exhibit a size and composition dependence on the dendrimer generation number. Rutherford backscattering spectrometric analyses of core–shell NPs containing dendrimer innerlayer indicates that the NPs are consisting of discrete domains of Ag–shell and Au–core.

Keywords

Peptide Dendrimers Synthesis Core–shell nanoparticles 

Notes

Acknowledgements

Funding was provided by Natural Sciences and Engineering Research Council of Canada (NSERC).

Supplementary material

10904_2017_689_MOESM1_ESM.pdf (2.8 mb)
Supplementary material 1 (PDF 2833 KB)

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Copyright information

© Springer Science+Business Media, LLC 2017

Authors and Affiliations

  • Anas Lataifeh
    • 1
  • Heinz-Bernhard Kraatz
    • 2
  • Lyudmila V. Goncharova
    • 3
  1. 1.Department of ChemistryTafila Technical UniversityTafilaJordan
  2. 2.Department of Physical and Environmental sciencesUniversity of Toronto at ScarboroughTorontoCanada
  3. 3.Department of Physics and AstronomyUniversity of Western OntarioLondonCanada

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