What is it about?
We develop a new, facile and effective method for the controllable synthesis of the missing icosidodecahedral Au NCs in a one-pot polyol reaction. The as-prepared icosidodecahedral Au NCs with unique hyperpolyhedral shapes and smooth surfaces were enclosed by 8 low-index {111} facets and 24 high-index {310} facets. The tunable plasmonic properties were presented as we systematically control of the experimental parameters.
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Why is it important?
Noble metal (e.g., Au, Pt, Pd) nanocrystals enclosed by high-index facets have a potential wide variety of applications in surface plasmonics, fuel cells, catalysis, optoelectronics, metamaterials, surface-enhanced Raman scattering and biomedicine. However, because of their general exposed high surface energy, the challenge of chemically preparing noble metal NCs having high-index facets remains elusive.
Perspectives
I hope this article could share our flexible and effective method for the controllable synthesis of high-index faceted gold nanocrystals to other researchers in the filed of plasmonics, self-assembly,nanomaterials and nanotechnology.
Mr Haibin Zhang
Institute of Optics and Electronics, Chinese Academy of Sciences
Read the Original
This page is a summary of: One-pot controllable synthesis of the missing uniform icosidodecahedral gold nanocrystals with high-index facets and their plasmonic properties, Journal of Materials Chemistry C, January 2017, Royal Society of Chemistry,
DOI: 10.1039/c6tc04744k.
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