Laser trapping of colloidal metal nanoparticles

Lehmuskero, Anni, Johansson, Peter, Rubinsztein-Dunlop, Halina, Tong, Lianming and Käll, Mikael (2015) Laser trapping of colloidal metal nanoparticles. ACS Nano, 9 4: 3453-3469. doi:10.1021/acsnano.5b00286


Author Lehmuskero, Anni
Johansson, Peter
Rubinsztein-Dunlop, Halina
Tong, Lianming
Käll, Mikael
Title Laser trapping of colloidal metal nanoparticles
Journal name ACS Nano   Check publisher's open access policy
ISSN 1936-086X
1936-0851
Publication date 2015-04-28
Year available 2015
Sub-type Article (original research)
DOI 10.1021/acsnano.5b00286
Open Access Status
Volume 9
Issue 4
Start page 3453
End page 3469
Total pages 17
Place of publication Washington, DC, United States
Publisher American Chemical Society
Collection year 2016
Language eng
Abstract Optical trapping using focused laser beams (laser tweezers) has been proven to be extremely useful for contactless manipulation of a variety of small objects, including biological cells, organelles within cells, and a wide range of other dielectric micro- and nano-objects. Colloidal metal nanoparticles have drawn increasing attention in the field of optical trapping because of their unique interactions with electromagnetic radiation, caused by surface plasmon resonance effects, enabling a large number of nano-optical applications of high current interest. Here we try to give a comprehensive overview of the field of laser trapping and manipulation of metal nanoparticles based on results reported in the recent literature. We also discuss and describe the fundamentals of optical forces in the context of plasmonic nanoparticles, including effects of polarization, optical angular momentum, and laser heating effects, as well as the various techniques that have been used to trap and manipulate metal nanoparticles. We conclude by suggesting possible directions for future research.
Keyword Colloidal metal nanoparticles
Interparticle forces
Laser heating
Laser tweezers
Optical force
Optical torque
Optical manipulation
Surface plasmon resonance
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mathematics and Physics
Official 2016 Collection
 
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