Reconstruction of optical images of graphene-based materials coated on dielectric substrates

Inhwa Jung, Yong Joo Ra, Jong Yeog Son, Yong Tae Kang, Kyong Yop Rhee

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The colors of thin and thick layers of graphene and graphene oxide films on either SiO2 or Si3N4 grown silicon substrates were generated by a theoretical calculation procedure. The effects of the thicknesses of the material and the dielectric layers on the visibility of the graphenebased materials were investigated. The theoretical investigation was supplemented by measurements of the thicknesses of the material layers using either an atomic force microscope or a profilometer, depending on the thickness range. By combining the color calculation procedure with the measured thickness profiles, optical images of graphene-based materials on dielectric substrates can be reconstructed. The reconstructed image corresponds well to the real microscope image, which suggests that the image reconstruction procedure is a convenient way to investigate colors and determine the thickness of graphene-based materials.

Original languageEnglish
Article number023601
JournalOptical Engineering
Volume52
Issue number2
DOIs
Publication statusPublished - 2013 Jul 5
Externally publishedYes

Fingerprint

Coated materials
Graphene
graphene
Substrates
Color
color
Microscopes
microscopes
profilometers
image reconstruction
Image reconstruction
visibility
Visibility
Oxide films
oxide films
Silicon
silicon
profiles

Keywords

  • Color calculation
  • Graphene
  • Graphene oxide
  • Visibility

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Engineering(all)

Cite this

Reconstruction of optical images of graphene-based materials coated on dielectric substrates. / Jung, Inhwa; Ra, Yong Joo; Son, Jong Yeog; Kang, Yong Tae; Rhee, Kyong Yop.

In: Optical Engineering, Vol. 52, No. 2, 023601, 05.07.2013.

Research output: Contribution to journalArticle

Jung, Inhwa ; Ra, Yong Joo ; Son, Jong Yeog ; Kang, Yong Tae ; Rhee, Kyong Yop. / Reconstruction of optical images of graphene-based materials coated on dielectric substrates. In: Optical Engineering. 2013 ; Vol. 52, No. 2.
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