Chiral Plasmonics Using Twisting along Cellulose Nanocrystals as a Template for Gold Nanoparticles

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Abstract

The right-handed twist along aqueous dispersed cellulose nanocrystals allows right-handed chiral plasmonics upon electrostatic binding of gold nanoparticles in dilute environment, upon tuning the particle sizes and concentrations. Simulations using nanoparticle coordinates from cryo-electron tomography confirm the experimental results. The finding suggests generalization for other chiral and helical colloidal templates for nanoscale chiral plasmonics.
Original languageEnglish
Pages (from-to) 5262–5267
JournalAdvanced Materials
Volume28
Issue number26
DOIs
Publication statusPublished - 13 Jul 2016
MoE publication typeA1 Journal article-refereed

Keywords

  • Cellulose nanocrystals
  • Chiral plasmonics
  • Colloidal dispersions
  • Templated nanoparticles
  • Twisted nanorods

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