Decay rates of plasmonic elliptical nanostructures via effective medium theory

Mohammed Gamal; Ishac Kandas; Hussein Badran; Ali Hajjiah; Mufasila Muhammed; Nader Shehata

doi:10.3390/nano11081928

Decay rates of plasmonic elliptical nanostructures via effective medium theory

Mohammed Gamal, Ishac Kandas, Hussein Badran, Ali Hajjiah, Mufasila Muhammed, Nader Shehata

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

2 Scopus citations

Abstract

This paper investigates the spontaneous decay rate of elliptical plasmonic nanostructures. The refractive index was analyzed using the effective medium theory (EMT). Then, the polariz-ability, spontaneous radiative, non-radiative decay rate, and electric field enhancement factor were characterized for the targeted elliptical nanostructures at different aspect ratios. All of the optical analyses were analyzed at different distances between the excited fluorescent coupled atom and the plasmonic nanostructure (down to 100 nm). This work is promising in selecting the optimum elliptical nanostructure according to the required decay rates for optical conversion efficiency control in energy harvesting for solar cells and optical sensing applications.

Original language	English
Article number	1928
Journal	Nanomaterials
Volume	11
Issue number	8
DOIs	https://doi.org/10.3390/nano11081928
State	Published - Aug 2021

Keywords

Decay rate
Effective medium theory
Ellipsoids
Moth-eye
Plasmonic nanostructures

Funding Agency

Kuwait Foundation for the Advancement of Sciences

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.3390/nano11081928

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title = "Decay rates of plasmonic elliptical nanostructures via effective medium theory",

abstract = "This paper investigates the spontaneous decay rate of elliptical plasmonic nanostructures. The refractive index was analyzed using the effective medium theory (EMT). Then, the polariz-ability, spontaneous radiative, non-radiative decay rate, and electric field enhancement factor were characterized for the targeted elliptical nanostructures at different aspect ratios. All of the optical analyses were analyzed at different distances between the excited fluorescent coupled atom and the plasmonic nanostructure (down to 100 nm). This work is promising in selecting the optimum elliptical nanostructure according to the required decay rates for optical conversion efficiency control in energy harvesting for solar cells and optical sensing applications.",

keywords = "Decay rate, Effective medium theory, Ellipsoids, Moth-eye, Plasmonic nanostructures",

author = "Mohammed Gamal and Ishac Kandas and Hussein Badran and Ali Hajjiah and Mufasila Muhammed and Nader Shehata",

note = "Publisher Copyright: {\textcopyright} 2021 by the authors. Licensee MDPI, Basel, Switzerland.",

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language = "English",

volume = "11",

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T1 - Decay rates of plasmonic elliptical nanostructures via effective medium theory

AU - Gamal, Mohammed

AU - Kandas, Ishac

AU - Badran, Hussein

AU - Hajjiah, Ali

AU - Muhammed, Mufasila

AU - Shehata, Nader

PY - 2021/8

Y1 - 2021/8

N2 - This paper investigates the spontaneous decay rate of elliptical plasmonic nanostructures. The refractive index was analyzed using the effective medium theory (EMT). Then, the polariz-ability, spontaneous radiative, non-radiative decay rate, and electric field enhancement factor were characterized for the targeted elliptical nanostructures at different aspect ratios. All of the optical analyses were analyzed at different distances between the excited fluorescent coupled atom and the plasmonic nanostructure (down to 100 nm). This work is promising in selecting the optimum elliptical nanostructure according to the required decay rates for optical conversion efficiency control in energy harvesting for solar cells and optical sensing applications.

AB - This paper investigates the spontaneous decay rate of elliptical plasmonic nanostructures. The refractive index was analyzed using the effective medium theory (EMT). Then, the polariz-ability, spontaneous radiative, non-radiative decay rate, and electric field enhancement factor were characterized for the targeted elliptical nanostructures at different aspect ratios. All of the optical analyses were analyzed at different distances between the excited fluorescent coupled atom and the plasmonic nanostructure (down to 100 nm). This work is promising in selecting the optimum elliptical nanostructure according to the required decay rates for optical conversion efficiency control in energy harvesting for solar cells and optical sensing applications.

KW - Decay rate

KW - Effective medium theory

KW - Ellipsoids

KW - Moth-eye

KW - Plasmonic nanostructures

UR - http://www.scopus.com/inward/record.url?scp=85111113792&partnerID=8YFLogxK

U2 - 10.3390/nano11081928

DO - 10.3390/nano11081928

M3 - Article

AN - SCOPUS:85111113792

SN - 2079-4991

VL - 11

JO - Nanomaterials

JF - Nanomaterials

IS - 8

M1 - 1928

ER -

Decay rates of plasmonic elliptical nanostructures via effective medium theory

Abstract

Keywords

Funding Agency

UN SDGs

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