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Updated: Nov 21, 2025

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

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Plasmon-driven nanowire actuators for on-chip manipulation.

Shuangyi Linghu¹, Zhaoqi Gu¹, Jinsheng Lu²

¹Laboratory of Integrated Opto-Mechanics and Electronics, Shanghai Key Laboratory of Modern Optical System, Engineering Research Center of Optical Instrument and System (Ministry of Education), University of Shanghai for Science and Technology, 200093, Shanghai, China.

Nature Communications

|January 16, 2021

Summary

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Chemically synthesized metal nanowires can now be precisely manipulated using a novel earthworm-like crawling motion. This breakthrough enables controlled positioning and sorting for advanced photonic integrated circuits.

Area of Science:

Nanotechnology
Photonics
Materials Science

Background:

Chemically synthesized metal nanowires are crucial for next-generation photonic integrated circuits.
Precise manipulation of nanowires is a significant challenge due to strong substrate adhesion in non-liquid environments.

Purpose of the Study:

To develop a controllable and precise manipulation approach for metal nanowires in non-liquid environments.
To overcome the limitations of nanowire adhesion for monolithic integration in photonic circuits.

Main Methods:

Demonstrated an earthworm-like peristaltic crawling motion mechanism for plasmon-driven metal nanowires.
Utilized synergistic expansion, friction, and contraction driven by surface acoustic waves generated from evanescently excited surface plasmons.

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

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

Published on: September 27, 2011

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Last Updated: Nov 21, 2025

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Evaluating Plasmonic Transport in Current-carrying Silver Nanowires

Published on: December 11, 2013

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Plasmonic Trapping and Release of Nanoparticles in a Monitoring Environment

Published on: April 4, 2017

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

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

Published on: September 27, 2011

Achieved nanowire locomotion along silica microfibres.

Main Results:

Achieved sub-nanometer positioning accuracy and low actuation power.
Demonstrated self-parallel parking capabilities for nanowires.
Successfully performed on-chip manipulations including transporting, positioning, orientation, and sorting with high selectivity and versatility.

Conclusions:

The proposed crawling motion mechanism effectively removes the obstacle of nanowire adhesion.
This method enables precise, on-situ manipulation of metal nanowires for photonic applications.
Paves the way for full co-integration of functionalized photonic components on single chips.