Structural color printing with a dielectric layer coated on a nanotextured metal substrate: Simulation and experiment

Minseok Seo, Heungyeol Lee, Hohyeong Kim, Myeongkyu Lee

Research output: Contribution to journalArticle

Abstract

The printing of plasmonic structural colors relies on noble metal nanostructures fabricated on Si, glass, or plastic substrates. This paper presents a simple surface structure for producing vivid structural colors directly from common metal substrates. The structure is formed by texturing the surface of stainless steel (STS) via imprinting and coating it with a dielectric layer. Diverse colors are generated simply by varying the thickness of the dielectric layer. The colors arise from surface plasmon resonance and guided-mode resonance of the incident light, which are excited on the textured STS surface and inside the dielectric layer, respectively. A finite-difference time-domain simulation shows that 500 nm is the optimum texture periodicity with regard to the tunability and vividness of the colors. This is experimentally verified by printing many differently colored images on the surface of STS substrates with a texture period of 500 nm. The proposed structure/method does not require a nanofabrication technique such as electron-beam lithography or focused ion beam etching. The results of the study provide a facile route for producing vivid structural colors on metals, which may find various applications, including surface decoration, product identification, anti-counterfeiting, and perfect absorbers.

Original languageEnglish
Pages (from-to)4090-4098
Number of pages9
JournalNanoscale Advances
Volume1
Issue number10
DOIs
Publication statusPublished - 2019 Jan 1

Fingerprint

Color printing
printing
Metals
Color
color
Stainless Steel
Substrates
metals
stainless steels
Stainless steel
simulation
Experiments
Printing
textures
Textures
Electron beam lithography
Texturing
nanofabrication
Focused ion beams
Surface plasmon resonance

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Bioengineering
  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Chemistry(all)

Cite this

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abstract = "The printing of plasmonic structural colors relies on noble metal nanostructures fabricated on Si, glass, or plastic substrates. This paper presents a simple surface structure for producing vivid structural colors directly from common metal substrates. The structure is formed by texturing the surface of stainless steel (STS) via imprinting and coating it with a dielectric layer. Diverse colors are generated simply by varying the thickness of the dielectric layer. The colors arise from surface plasmon resonance and guided-mode resonance of the incident light, which are excited on the textured STS surface and inside the dielectric layer, respectively. A finite-difference time-domain simulation shows that 500 nm is the optimum texture periodicity with regard to the tunability and vividness of the colors. This is experimentally verified by printing many differently colored images on the surface of STS substrates with a texture period of 500 nm. The proposed structure/method does not require a nanofabrication technique such as electron-beam lithography or focused ion beam etching. The results of the study provide a facile route for producing vivid structural colors on metals, which may find various applications, including surface decoration, product identification, anti-counterfeiting, and perfect absorbers.",
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Structural color printing with a dielectric layer coated on a nanotextured metal substrate : Simulation and experiment. / Seo, Minseok; Lee, Heungyeol; Kim, Hohyeong; Lee, Myeongkyu.

In: Nanoscale Advances, Vol. 1, No. 10, 01.01.2019, p. 4090-4098.

Research output: Contribution to journalArticle

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