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Related Experiment Video

Updated: Jun 23, 2025

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

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Nanoparticle manipulation based on chiral plasmon effects.

Huaxin Li1, Yatao Ren1,2, Mingjian He1,2

  • 1School of Energy Science and Engineering, Harbin Institute of Technology, Harbin 150001, China. renyt@hit.edu.cn.

Physical Chemistry Chemical Physics : PCCP
|June 17, 2024
PubMed
Summary
This summary is machine-generated.

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Chiral plasmonic structures enable precise control over nanoparticle movement using light. By switching light

Area of Science:

  • Plasmonics and Nanophotonics
  • Chiral Metamaterials
  • Optical Manipulation

Background:

  • Chiral plasmonic structures exhibit unique chiroptical responses.
  • Localized surface plasmon resonance enhances circular dichroism and local electromagnetic fields.
  • Chirality effects are typically studied in relation to angular momentum for particle control.

Purpose of the Study:

  • To propose and demonstrate a novel particle manipulation method based on chiral light-matter interactions.
  • To leverage the tunable electromagnetic forces of chiral plasmonic structures for precise particle control.
  • To reduce the complexity of microparticle manipulation techniques.

Main Methods:

  • Designing and optimizing chiral plasmonic structures for tunable optical responses.

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Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates
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Related Experiment Videos

Last Updated: Jun 23, 2025

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation
09:29

Utilization of Plasmonic and Photonic Crystal Nanostructures for Enhanced Micro- and Nanoparticle Manipulation

Published on: September 27, 2011

12.3K
Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment
09:13

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

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Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates
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Assembly of Gold Nanorods into Chiral Plasmonic Metamolecules Using DNA Origami Templates

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  • Utilizing circularly polarized light with controlled handedness to exert forces on nanoparticles.
  • Implementing a microfluidic system for observing and controlling polystyrene particle movement.

    • Main Results:

    • The direction of electromagnetic forces on polystyrene particles reversed upon changing the incident light's handedness.
    • Achieved high-precision manipulation (over 94%) of 100 nm polystyrene particles.
    • Demonstrated a method for macroscopic adjustment of microscopic electromagnetic fields.

    Conclusions:

    • Chiral light-matter interactions offer an effective strategy for precise microparticle manipulation.
    • This method simplifies particle manipulation by using a single light source with adjustable handedness.
    • The findings have significant implications for microfluidics and chiral applications.