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- W853923507 abstract "Silica nanomaterials can be easily fabricated, fashioned and functionalized as platforms for grafting of nanoparticles for biomedical and optical applications. Herein, we utilize a template-based methodology to prepare a diverse collection of helical gold nanoparticle (GNPs) superstructures having controllable handedness and structural metrics by using GNPs as the building blocks, and the silica nanohelices as the template. The synthesized materials exhibit well-defined chiral arrangement of GNPs following the helicity of silica nanohelices, showing plasmonic circular dichorism (CD) signals. Further observations proved this plasmon CD comes from the chiral arrangement of GNPs and this effect is highly size, scale and pH dependent. We expect that this assembly strategy will discover a better view towards metamaterials and spark the view towards “bottom-up” approaches in nanoscience." @default.
- W853923507 created "2016-06-24" @default.
- W853923507 creator A5063249426 @default.
- W853923507 date "2015-12-18" @default.
- W853923507 modified "2023-09-24" @default.
- W853923507 title "Fine-tuned silica nanohelices as platforms for chiral organization of gold nanoparticles : synthesis, characterization and chiroptical analysis" @default.
- W853923507 hasPublicationYear "2015" @default.
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