Jump to main content
Jump to site search

Issue 12, 2012
Previous Article Next Article

Spinningnanorods – active optical manipulation of semiconductor nanorods using polarised light

Author affiliations

Abstract

In this letter we show how a single beam optical trap offers the means for three-dimensional manipulation of semiconductor nanorods in solution. Furthermore rotation of the direction of the electric field provides control over the orientation of the nanorods, which is shown by polarisation analysis of two photon induced fluorescence. Statistics over tens of trapped agglomerates reveal a correlation between the measured degree of polarisation (DLP) and the size of the agglomerate which was determined by the escape frequency and the intensity of the emitted fluorescence. We estimate that we have trapped agglomerates with a volume of close to 10 times the volume of a single nanorod, which exhibited DLPs as high as 52%.

Graphical abstract: Spinning nanorods – active optical manipulation of semiconductor nanorods using polarised light

Back to tab navigation

Article information


Submitted
02 Mar 2012
Accepted
06 May 2012
First published
11 May 2012

Nanoscale, 2012,4, 3693-3697
Article type
Paper

Spinning nanorods – active optical manipulation of semiconductor nanorods using polarised light

C. R. Head, E. Kammann, M. Zanella, L. Manna and P. G. Lagoudakis, Nanoscale, 2012, 4, 3693
DOI: 10.1039/C2NR30515A

Social activity

Search articles by author

Spotlight

Advertisements