ArticleNano letters2016
Single Particle Deformation and Analysis of Silica-Coated Gold Nanorods before and after Femtosecond Laser Pulse Excitation.
Article in Nano letters, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.
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Who cites it
13 citing papers in PubMed, 63 citations in OpenAlex.
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- Gold Nanorod-Melanin Hybrids for Enhanced and Prolonged Photoacoustic Imaging in the Near-Infrared-II Window.ACS applied materials & interfaces · 2021Article
- Photocatalytic Surface Restructuring in Individual Silver Nanoparticles.ACS catalysis · 2021Article
- Photostability of Contrast Agents for Photoacoustics: The Case of Gold Nanorods.Nanomaterials (Basel, Switzerland) · 2021Review
- Nanoengineered Light-Activatable Polybubbles for On-Demand Therapeutic Delivery.Advanced functional materials · 2020Article
- Efficient Generation of Two-Photon Excited Phosphorescence from Molecules in Plasmonic Nanocavities.Nano letters · 2020Article
- MoSScientific reports · 2019Article
- Plasmonic Enhancement of Two-Photon-Excited Luminescence of Single Quantum Dots by Individual Gold Nanorods.ACS photonics · 2018Article
Corrections and comments
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Authors and funding
6 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We performed single particle deformation experiments on silica-coated gold nanorods under femtosecond (fs) illumination. Changes in the particle shape were analyzed by electron microscopy and associated changes in the plasmon resonance by electron energy loss spectroscopy. Silica-coated rods were found to be more stable compared to uncoated rods but could still be deformed via an intermediate bullet-like shape for silica shell thicknesses of 14 nm. Changes in the size ratio of the rods after fs-illumination resulted in blue-shifting of the longitudinal plasmon resonances. Two-dimensional spatial mapping of the plasmon resonances revealed that the flat side of the bullet-like particles showed a less pronounced longitudinal plasmonic electric field enhancement. These findings were confirmed by finite-difference time-domain (FDTD) simulations. Furthermore, at higher laser fluences size reduction of the particles was found as well as for particles that were not completely deformed yet.
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