Printing of Highly Vivid Structural Colors on Metal Substrates with a Metal-Dielectric Double Layer

Minseok Seo, Jaeyong Kim, Harim Oh, Man Kim, In Uk Baek, Kwang Deok Choi, Ji Young Byun, Myeongkyu Lee

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The aesthetic functions of metals have attracted increasing attention, and their colorization is of scientific and technological significance. This study demonstrates that vivid structural colors can be produced on stainless steel and Al, which are two of the most commonly used metals. It is well known that a transparent dielectric film coated onto a substrate exhibits a rippled spectrum consisting of alternating reflectance minima and maxima due to multibeam interference, making it appear colored. However, such a film does not produce strong colors on a highly reflective metallic substrate, because the resulting interference ripple has small amplitudes. Herein, very vivid colors are generated by coating a thin metal layer over a dielectric film, where the metal layer adjusts the amount of light incident into the dielectric and strengthens the interference effect. The hue and saturation of the produced colors are controllable by changing the thicknesses of the dielectric and metallic layers. Additionally, color images are printed by locally controlling the layer thicknesses. This method has potential for various applications ranging from surface decoration and visual arts to optical filters and perfect absorbers.

Original languageEnglish
Article number1900196
JournalAdvanced Optical Materials
Volume7
Issue number13
DOIs
Publication statusPublished - 2019 Jul 4

Fingerprint

printing
Printing
Metals
Color
color
Substrates
metals
Dielectric films
interference
Optical filters
Stainless Steel
arts
optical filters
ripples
stainless steels
absorbers
Stainless steel
saturation
reflectance
coatings

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

Cite this

Seo, Minseok ; Kim, Jaeyong ; Oh, Harim ; Kim, Man ; Baek, In Uk ; Choi, Kwang Deok ; Byun, Ji Young ; Lee, Myeongkyu. / Printing of Highly Vivid Structural Colors on Metal Substrates with a Metal-Dielectric Double Layer. In: Advanced Optical Materials. 2019 ; Vol. 7, No. 13.
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Printing of Highly Vivid Structural Colors on Metal Substrates with a Metal-Dielectric Double Layer. / Seo, Minseok; Kim, Jaeyong; Oh, Harim; Kim, Man; Baek, In Uk; Choi, Kwang Deok; Byun, Ji Young; Lee, Myeongkyu.

In: Advanced Optical Materials, Vol. 7, No. 13, 1900196, 04.07.2019.

Research output: Contribution to journalArticle

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