Three-channel spectrometer for wide-field imaging of anisotropic plasmonic nanoparticles

Christina M. Sweeney; Colleen L. Nehl; Warefta Hasan; Taiyang Liang; Amanda L. Eckermann; Thomas J. Meade; Teri W. Odom

doi:10.1021/jp206157v

Three-channel spectrometer for wide-field imaging of anisotropic plasmonic nanoparticles

Christina M. Sweeney, Colleen L. Nehl, Warefta Hasan, Taiyang Liang, Amanda L. Eckermann, Thomas J. Meade, Teri W. Odom^*

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

A three-channel spectrometer (3CS) based on a commercial digital camera was developed to distinguish among tens of large (>100 nm), anisotropic plasmonic particles with various shapes, orientations, and compositions on a surface simultaneously. Using band-pass filters and polarizers, we could enhance the contrast of 3CS images to identify specific orientation and composition characteristics of gold and gold-silver nanopyramids as well as the direction of the longest arm of gold nanostars.

Original language	English (US)
Pages (from-to)	15933-15937
Number of pages	5
Journal	Journal of Physical Chemistry C
Volume	115
Issue number	32
DOIs	https://doi.org/10.1021/jp206157v
State	Published - Aug 18 2011

Funding

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Energy
Surfaces, Coatings and Films
Physical and Theoretical Chemistry

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10.1021/jp206157v

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abstract = "A three-channel spectrometer (3CS) based on a commercial digital camera was developed to distinguish among tens of large (>100 nm), anisotropic plasmonic particles with various shapes, orientations, and compositions on a surface simultaneously. Using band-pass filters and polarizers, we could enhance the contrast of 3CS images to identify specific orientation and composition characteristics of gold and gold-silver nanopyramids as well as the direction of the longest arm of gold nanostars.",

author = "Sweeney, {Christina M.} and Nehl, {Colleen L.} and Warefta Hasan and Taiyang Liang and Eckermann, {Amanda L.} and Meade, {Thomas J.} and Odom, {Teri W.}",

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AU - Sweeney, Christina M.

AU - Nehl, Colleen L.

AU - Hasan, Warefta

AU - Liang, Taiyang

AU - Eckermann, Amanda L.

AU - Meade, Thomas J.

AU - Odom, Teri W.

PY - 2011/8/18

Y1 - 2011/8/18

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AB - A three-channel spectrometer (3CS) based on a commercial digital camera was developed to distinguish among tens of large (>100 nm), anisotropic plasmonic particles with various shapes, orientations, and compositions on a surface simultaneously. Using band-pass filters and polarizers, we could enhance the contrast of 3CS images to identify specific orientation and composition characteristics of gold and gold-silver nanopyramids as well as the direction of the longest arm of gold nanostars.

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Three-channel spectrometer for wide-field imaging of anisotropic plasmonic nanoparticles

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ASJC Scopus subject areas

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