Reflection color tuning of a metal–insulator–metal cavity structure using arc plasma deposition of gold nanoparticles

Yun Hee Kim; M. A. Rahman; Jong Seung Hwang; Hyungduk Ko; Joo Youl Huh; Ji Young Byun

doi:10.1016/j.apsusc.2021.150140

Reflection color tuning of a metal–insulator–metal cavity structure using arc plasma deposition of gold nanoparticles

Yun Hee Kim, M. A. Rahman, Jong Seung Hwang, Hyungduk Ko, Joo Youl Huh, Ji Young Byun

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

15 Citations (Scopus)

Abstract

Structural colors have diverse applications in optical filters, surface decoration, photovoltaics, and digital displays. In this study, an arc plasma deposition (APD) method was employed for fabrication of the top Au layer in the asymmetric Fabry–Perot cavity structure of Au/Si₃N₄/Al. With an increasing number of APD pulses (n_P), the morphology of the Au layer gradually changed from a dispersion of nanoparticles (NPs) to a nanoporous film and then to a dense film, which in turn led to a change in the refractive index of the Au layer. The structural colors of the Au/Si₃N₄/Al structure were mainly governed by the interference effect. The optical constants of the NP-dispersed and nanoporous Au layers could be reasonably estimated based on Bruggeman's effective medium approximation. When the Au layers deposited with different n_P were combined with dielectric Si₃N₄ layers of various thicknesses (h_d), the full range of color hue with a wide range of color chroma could be realized using the Au/Si₃N₄/Al trilayer structure. The color hue was predominantly governed by h_d, and the color chroma gradually increased with n_P for a given value of h_d.

Original language	English
Article number	150140
Journal	Applied Surface Science
Volume	562
DOIs	https://doi.org/10.1016/j.apsusc.2021.150140
Publication status	Published - 2021 Oct 1

Bibliographical note

Funding Information:
This work was supported by the Korea Institute of Science and Technology [grant Number 2N45270] and the R&D convergence program of the National Research Council of Science & Technology of the Republic of Korea [grant number CAP-16-10-KIMS] and by the National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2019RIA2C2088940).

Publisher Copyright:
© 2021 Elsevier B.V.

Keywords

Arc plasma deposition
Bruggeman's approximation
Fabry–Perot cavity
Gold nanoparticles
Structural colors

ASJC Scopus subject areas

General Chemistry
Condensed Matter Physics
General Physics and Astronomy
Surfaces and Interfaces
Surfaces, Coatings and Films

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10.1016/j.apsusc.2021.150140

Cite this

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title = "Reflection color tuning of a metal–insulator–metal cavity structure using arc plasma deposition of gold nanoparticles",

abstract = "Structural colors have diverse applications in optical filters, surface decoration, photovoltaics, and digital displays. In this study, an arc plasma deposition (APD) method was employed for fabrication of the top Au layer in the asymmetric Fabry–Perot cavity structure of Au/Si3N4/Al. With an increasing number of APD pulses (nP), the morphology of the Au layer gradually changed from a dispersion of nanoparticles (NPs) to a nanoporous film and then to a dense film, which in turn led to a change in the refractive index of the Au layer. The structural colors of the Au/Si3N4/Al structure were mainly governed by the interference effect. The optical constants of the NP-dispersed and nanoporous Au layers could be reasonably estimated based on Bruggeman's effective medium approximation. When the Au layers deposited with different nP were combined with dielectric Si3N4 layers of various thicknesses (hd), the full range of color hue with a wide range of color chroma could be realized using the Au/Si3N4/Al trilayer structure. The color hue was predominantly governed by hd, and the color chroma gradually increased with nP for a given value of hd.",

keywords = "Arc plasma deposition, Bruggeman's approximation, Fabry–Perot cavity, Gold nanoparticles, Structural colors",

author = "Kim, {Yun Hee} and Rahman, {M. A.} and Hwang, {Jong Seung} and Hyungduk Ko and Huh, {Joo Youl} and Byun, {Ji Young}",

note = "Funding Information: This work was supported by the Korea Institute of Science and Technology [grant Number 2N45270] and the R&D convergence program of the National Research Council of Science & Technology of the Republic of Korea [grant number CAP-16-10-KIMS] and by the National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2019RIA2C2088940). Publisher Copyright: {\textcopyright} 2021 Elsevier B.V.",

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AU - Huh, Joo Youl

AU - Byun, Ji Young

N1 - Funding Information: This work was supported by the Korea Institute of Science and Technology [grant Number 2N45270] and the R&D convergence program of the National Research Council of Science & Technology of the Republic of Korea [grant number CAP-16-10-KIMS] and by the National Research Foundation of Korea (NRF) grant funded by the Korea government (NRF-2019RIA2C2088940). Publisher Copyright: © 2021 Elsevier B.V.

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N2 - Structural colors have diverse applications in optical filters, surface decoration, photovoltaics, and digital displays. In this study, an arc plasma deposition (APD) method was employed for fabrication of the top Au layer in the asymmetric Fabry–Perot cavity structure of Au/Si3N4/Al. With an increasing number of APD pulses (nP), the morphology of the Au layer gradually changed from a dispersion of nanoparticles (NPs) to a nanoporous film and then to a dense film, which in turn led to a change in the refractive index of the Au layer. The structural colors of the Au/Si3N4/Al structure were mainly governed by the interference effect. The optical constants of the NP-dispersed and nanoporous Au layers could be reasonably estimated based on Bruggeman's effective medium approximation. When the Au layers deposited with different nP were combined with dielectric Si3N4 layers of various thicknesses (hd), the full range of color hue with a wide range of color chroma could be realized using the Au/Si3N4/Al trilayer structure. The color hue was predominantly governed by hd, and the color chroma gradually increased with nP for a given value of hd.

AB - Structural colors have diverse applications in optical filters, surface decoration, photovoltaics, and digital displays. In this study, an arc plasma deposition (APD) method was employed for fabrication of the top Au layer in the asymmetric Fabry–Perot cavity structure of Au/Si3N4/Al. With an increasing number of APD pulses (nP), the morphology of the Au layer gradually changed from a dispersion of nanoparticles (NPs) to a nanoporous film and then to a dense film, which in turn led to a change in the refractive index of the Au layer. The structural colors of the Au/Si3N4/Al structure were mainly governed by the interference effect. The optical constants of the NP-dispersed and nanoporous Au layers could be reasonably estimated based on Bruggeman's effective medium approximation. When the Au layers deposited with different nP were combined with dielectric Si3N4 layers of various thicknesses (hd), the full range of color hue with a wide range of color chroma could be realized using the Au/Si3N4/Al trilayer structure. The color hue was predominantly governed by hd, and the color chroma gradually increased with nP for a given value of hd.

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Reflection color tuning of a metal–insulator–metal cavity structure using arc plasma deposition of gold nanoparticles

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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