Optimization and characterization of Au cuboid nanostructures as a SERS device for sensing applications

M. Chirumamilla; G. Das; A. Toma; A. Gopalakrishnan; R. Proietti Zaccaria; C. Liberale; F. De Angelis; E. Di Fabrizio

doi:10.1016/j.mee.2012.05.004

Optimization and characterization of Au cuboid nanostructures as a SERS device for sensing applications

M. Chirumamilla^*, G. Das, A. Toma, A. Gopalakrishnan, R. Proietti Zaccaria, C. Liberale, F. De Angelis, E. Di Fabrizio

^*Corresponding author for this work

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

22 Scopus citations

Abstract

Gold cuboid nanostructures with edge size in the range of 40-65 nm and inter-particle separation of 20 nm were fabricated by electron beam lithography. The aim of the present work is to investigate the effect of cuboid size on surface enhanced Raman scattering intensity and, thereby, to optimize the size of nanostructures in order to maximize signal enhancement. The electric field distribution of 4 × 4 array of Au cuboid nanostructures was numerically simulated by commercial software. A monolayer of Rhodamine-6G is deposited on the device using chemisorption technique, finding an enhancement factor ∼10 ⁴, which candidates the cuboid nanostructures as a promising enhanced Raman substrate.

Original language	English (US)
Pages (from-to)	189-192
Number of pages	4
Journal	Microelectronic Engineering
Volume	97
DOIs	https://doi.org/10.1016/j.mee.2012.05.004
State	Published - Sep 2012
Externally published	Yes

Keywords

Biosensor
Cuboid nanostructures
Electron beam lithography
Plasmonics
SERS

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Surfaces, Coatings and Films
Electrical and Electronic Engineering

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10.1016/j.mee.2012.05.004

Cite this

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title = "Optimization and characterization of Au cuboid nanostructures as a SERS device for sensing applications",

abstract = "Gold cuboid nanostructures with edge size in the range of 40-65 nm and inter-particle separation of 20 nm were fabricated by electron beam lithography. The aim of the present work is to investigate the effect of cuboid size on surface enhanced Raman scattering intensity and, thereby, to optimize the size of nanostructures in order to maximize signal enhancement. The electric field distribution of 4 × 4 array of Au cuboid nanostructures was numerically simulated by commercial software. A monolayer of Rhodamine-6G is deposited on the device using chemisorption technique, finding an enhancement factor ∼10 4, which candidates the cuboid nanostructures as a promising enhanced Raman substrate.",

keywords = "Biosensor, Cuboid nanostructures, Electron beam lithography, Plasmonics, SERS",

author = "M. Chirumamilla and G. Das and A. Toma and A. Gopalakrishnan and Zaccaria, {R. Proietti} and C. Liberale and {De Angelis}, F. and {Di Fabrizio}, E.",

year = "2012",

month = sep,

doi = "10.1016/j.mee.2012.05.004",

language = "English (US)",

volume = "97",

pages = "189--192",

journal = "Microelectronic Engineering",

issn = "0167-9317",

publisher = "ELSEVIER SCIENCE BV",

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TY - JOUR

T1 - Optimization and characterization of Au cuboid nanostructures as a SERS device for sensing applications

AU - Chirumamilla, M.

AU - Das, G.

AU - Toma, A.

AU - Gopalakrishnan, A.

AU - Zaccaria, R. Proietti

AU - Liberale, C.

AU - De Angelis, F.

AU - Di Fabrizio, E.

PY - 2012/9

Y1 - 2012/9

N2 - Gold cuboid nanostructures with edge size in the range of 40-65 nm and inter-particle separation of 20 nm were fabricated by electron beam lithography. The aim of the present work is to investigate the effect of cuboid size on surface enhanced Raman scattering intensity and, thereby, to optimize the size of nanostructures in order to maximize signal enhancement. The electric field distribution of 4 × 4 array of Au cuboid nanostructures was numerically simulated by commercial software. A monolayer of Rhodamine-6G is deposited on the device using chemisorption technique, finding an enhancement factor ∼10 4, which candidates the cuboid nanostructures as a promising enhanced Raman substrate.

AB - Gold cuboid nanostructures with edge size in the range of 40-65 nm and inter-particle separation of 20 nm were fabricated by electron beam lithography. The aim of the present work is to investigate the effect of cuboid size on surface enhanced Raman scattering intensity and, thereby, to optimize the size of nanostructures in order to maximize signal enhancement. The electric field distribution of 4 × 4 array of Au cuboid nanostructures was numerically simulated by commercial software. A monolayer of Rhodamine-6G is deposited on the device using chemisorption technique, finding an enhancement factor ∼10 4, which candidates the cuboid nanostructures as a promising enhanced Raman substrate.

KW - Biosensor

KW - Cuboid nanostructures

KW - Electron beam lithography

KW - Plasmonics

KW - SERS

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U2 - 10.1016/j.mee.2012.05.004

DO - 10.1016/j.mee.2012.05.004

M3 - Article

AN - SCOPUS:84865520299

SN - 0167-9317

VL - 97

SP - 189

EP - 192

JO - Microelectronic Engineering

JF - Microelectronic Engineering

ER -

Optimization and characterization of Au cuboid nanostructures as a SERS device for sensing applications

Abstract

Keywords

ASJC Scopus subject areas

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