Optimization of 3D plasmonic crystal structures for refractive index sensing

Joana Maria; Tu T. Truong; Jimin Yao; Tae Woo Lee; Ralph G. Nuzzo; Sven Leyffer; Stephen K. Gray; John A. Rogers

doi:10.1021/jp9024552

Optimization of 3D plasmonic crystal structures for refractive index sensing

Joana Maria, Tu T. Truong, Jimin Yao, Tae Woo Lee, Ralph G. Nuzzo, Sven Leyffer, Stephen K. Gray, John A. Rogers

Chemistry

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

Abstract

We study the refractive index sensitive transmission of a 3D plasmonic crystal that consists of a square array of subwavelength cylindrical nanowells in a polymer conformally coated with a gold film. Using extensive 3D finite-difference time-domain simulations, we investigate the effect of system parameters such as periodicity, well diameter and depth, and metal thickness on its refractive index sensitivity. These theoretical results are also confirmed experimentally in some cases. Our calculations predict an enhancement in sensitivity by an order of magnitude when the plasmonic crystal characteristics are optimized.

Original language	English (US)
Pages (from-to)	10493-10499
Number of pages	7
Journal	Journal of Physical Chemistry C
Volume	113
Issue number	24
DOIs	https://doi.org/10.1021/jp9024552
State	Published - Jun 18 2009

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy(all)
Physical and Theoretical Chemistry
Surfaces, Coatings and Films

Online availability

10.1021/jp9024552

Library availability

Discover UIUC Full Text

Cite this

@article{05b23d6baed1424eba744d993513d729,

title = "Optimization of 3D plasmonic crystal structures for refractive index sensing",

abstract = "We study the refractive index sensitive transmission of a 3D plasmonic crystal that consists of a square array of subwavelength cylindrical nanowells in a polymer conformally coated with a gold film. Using extensive 3D finite-difference time-domain simulations, we investigate the effect of system parameters such as periodicity, well diameter and depth, and metal thickness on its refractive index sensitivity. These theoretical results are also confirmed experimentally in some cases. Our calculations predict an enhancement in sensitivity by an order of magnitude when the plasmonic crystal characteristics are optimized.",

author = "Joana Maria and Truong, {Tu T.} and Jimin Yao and Lee, {Tae Woo} and Nuzzo, {Ralph G.} and Sven Leyffer and Gray, {Stephen K.} and Rogers, {John A.}",

year = "2009",

month = jun,

day = "18",

doi = "10.1021/jp9024552",

language = "English (US)",

volume = "113",

pages = "10493--10499",

journal = "Journal of Physical Chemistry C",

issn = "1932-7447",

publisher = "American Chemical Society",

number = "24",

}

TY - JOUR

T1 - Optimization of 3D plasmonic crystal structures for refractive index sensing

AU - Maria, Joana

AU - Truong, Tu T.

AU - Yao, Jimin

AU - Lee, Tae Woo

AU - Nuzzo, Ralph G.

AU - Leyffer, Sven

AU - Gray, Stephen K.

AU - Rogers, John A.

PY - 2009/6/18

Y1 - 2009/6/18

N2 - We study the refractive index sensitive transmission of a 3D plasmonic crystal that consists of a square array of subwavelength cylindrical nanowells in a polymer conformally coated with a gold film. Using extensive 3D finite-difference time-domain simulations, we investigate the effect of system parameters such as periodicity, well diameter and depth, and metal thickness on its refractive index sensitivity. These theoretical results are also confirmed experimentally in some cases. Our calculations predict an enhancement in sensitivity by an order of magnitude when the plasmonic crystal characteristics are optimized.

AB - We study the refractive index sensitive transmission of a 3D plasmonic crystal that consists of a square array of subwavelength cylindrical nanowells in a polymer conformally coated with a gold film. Using extensive 3D finite-difference time-domain simulations, we investigate the effect of system parameters such as periodicity, well diameter and depth, and metal thickness on its refractive index sensitivity. These theoretical results are also confirmed experimentally in some cases. Our calculations predict an enhancement in sensitivity by an order of magnitude when the plasmonic crystal characteristics are optimized.

UR - http://www.scopus.com/inward/record.url?scp=67650738980&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=67650738980&partnerID=8YFLogxK

U2 - 10.1021/jp9024552

DO - 10.1021/jp9024552

M3 - Article

AN - SCOPUS:67650738980

SN - 1932-7447

VL - 113

SP - 10493

EP - 10499

JO - Journal of Physical Chemistry C

JF - Journal of Physical Chemistry C

IS - 24

ER -

Optimization of 3D plasmonic crystal structures for refractive index sensing

Abstract

ASJC Scopus subject areas

Online availability

Library availability

Related links

Fingerprint

Cite this