Synthesis of branched Au nanoparticles with tunable near-infrared LSPR using a zwitterionic surfactant

P. Pallavicini*, G. Chirico, M. Collini, G. Dacarro, A. Donà, L. D'Alfonso, Andrea Falqui, Y. Diaz-Fernandez, S. Freddi, B. Garofalo, Alessandro Genovese, L. Sironi, A. Taglietti

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

69 Scopus citations

Abstract

Asymmetric branched gold nanoparticles are obtained using for the first time in the seed-growth approach a zwitterionic surfactant, laurylsulfobetaine, whose concentration in the growth solution allows to control both the length to base-width ratio of the branches and the LSPR position, that can be tuned in the 700-1100 nm near infrared range.

Original languageEnglish (US)
Pages (from-to)1315-1317
Number of pages3
JournalChemical Communications
Volume47
Issue number4
DOIs
StatePublished - Jan 28 2011

ASJC Scopus subject areas

  • Catalysis
  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Chemistry(all)
  • Surfaces, Coatings and Films
  • Metals and Alloys
  • Materials Chemistry

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