Correlation between structure and optoelectronic properties in a two-dimensional nanoparticle assembly

Markus A. Mangold; Martin A. Niedermeier; Monika Rawolle; Beate Dirks; Jan Perlich; Stephan V. Roth; Alexander W. Holleitner; Peter Müller-Buschbaum

doi:10.1002/pssr.201004424

Correlation between structure and optoelectronic properties in a two-dimensional nanoparticle assembly

Markus A. Mangold, Martin A. Niedermeier, Monika Rawolle, Beate Dirks, Jan Perlich, Stephan V. Roth, Alexander W. Holleitner, Peter Müller-Buschbaum

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

12 Scopus citations

Abstract

The optical properties of two-dimensional assemblies of metal nanoparticles are strongly influenced by the morphological configuration of the metal particles in the layer. Therefore, we correlate the structural and optical properties of two-dimensional, hexagonal gold nanoparticle arrays. We characterize the structure of the arrays using grazing-incidence small angle X-ray scattering (GISAXS). From the GISAXS pattern, we determine the size of the gold particles as well as the lattice spacing of the hexagonal assembly. Based upon these parameters we calculate the dielectric function of the gold particle array using the Maxwell-Garnett effective medium theory. We further deduce the absorption spectrum which closely follows the measured absorption and photoconductance spectrum. (

Original language	English
Pages (from-to)	16-18
Number of pages	3
Journal	Physica Status Solidi - Rapid Research Letters
Volume	5
Issue number	1
DOIs	https://doi.org/10.1002/pssr.201004424
State	Published - Jan 2011

Keywords

Nanomorphology
Nanoparticles
Optoelectronics
Plasmonics

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10.1002/pssr.201004424

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title = "Correlation between structure and optoelectronic properties in a two-dimensional nanoparticle assembly",

abstract = "The optical properties of two-dimensional assemblies of metal nanoparticles are strongly influenced by the morphological configuration of the metal particles in the layer. Therefore, we correlate the structural and optical properties of two-dimensional, hexagonal gold nanoparticle arrays. We characterize the structure of the arrays using grazing-incidence small angle X-ray scattering (GISAXS). From the GISAXS pattern, we determine the size of the gold particles as well as the lattice spacing of the hexagonal assembly. Based upon these parameters we calculate the dielectric function of the gold particle array using the Maxwell-Garnett effective medium theory. We further deduce the absorption spectrum which closely follows the measured absorption and photoconductance spectrum. (",

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author = "Mangold, {Markus A.} and Niedermeier, {Martin A.} and Monika Rawolle and Beate Dirks and Jan Perlich and Roth, {Stephan V.} and Holleitner, {Alexander W.} and Peter M{\"u}ller-Buschbaum",

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AU - Mangold, Markus A.

AU - Niedermeier, Martin A.

AU - Rawolle, Monika

AU - Dirks, Beate

AU - Perlich, Jan

AU - Roth, Stephan V.

AU - Holleitner, Alexander W.

AU - Müller-Buschbaum, Peter

PY - 2011/1

Y1 - 2011/1

N2 - The optical properties of two-dimensional assemblies of metal nanoparticles are strongly influenced by the morphological configuration of the metal particles in the layer. Therefore, we correlate the structural and optical properties of two-dimensional, hexagonal gold nanoparticle arrays. We characterize the structure of the arrays using grazing-incidence small angle X-ray scattering (GISAXS). From the GISAXS pattern, we determine the size of the gold particles as well as the lattice spacing of the hexagonal assembly. Based upon these parameters we calculate the dielectric function of the gold particle array using the Maxwell-Garnett effective medium theory. We further deduce the absorption spectrum which closely follows the measured absorption and photoconductance spectrum. (

AB - The optical properties of two-dimensional assemblies of metal nanoparticles are strongly influenced by the morphological configuration of the metal particles in the layer. Therefore, we correlate the structural and optical properties of two-dimensional, hexagonal gold nanoparticle arrays. We characterize the structure of the arrays using grazing-incidence small angle X-ray scattering (GISAXS). From the GISAXS pattern, we determine the size of the gold particles as well as the lattice spacing of the hexagonal assembly. Based upon these parameters we calculate the dielectric function of the gold particle array using the Maxwell-Garnett effective medium theory. We further deduce the absorption spectrum which closely follows the measured absorption and photoconductance spectrum. (

KW - Nanomorphology

KW - Nanoparticles

KW - Optoelectronics

KW - Plasmonics

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DO - 10.1002/pssr.201004424

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JO - Physica Status Solidi - Rapid Research Letters

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Correlation between structure and optoelectronic properties in a two-dimensional nanoparticle assembly

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