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
Externally publishedYes

Keywords

  • Color calculation
  • Graphene
  • Graphene oxide
  • Visibility

ASJC Scopus subject areas

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

Fingerprint Dive into the research topics of 'Reconstruction of optical images of graphene-based materials coated on dielectric substrates'. Together they form a unique fingerprint.

  • Cite this