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Fabrication of in situ patterned iron oxide films using micro contact printing and selective deposition

  • Hyunjung Shin
  • , Hyejin Im
  • , Jong Up Jeon
  • , Eung Soo Kim
  • , Y. Eugene Pak
  • Samsung
  • Yonsei University
  • Kyonggi University

Research output: Contribution to journalArticlepeer-review

Abstract

In situ patterning of iron oxide thin layers were fabricated via micro-contact printing (μCP) and selective area deposition. μCP is used to pattern two different surface moieties of self-assembled organic monolayers (SAMs) on Au/Cr/Si substrates. An elastomeric stamp is used to transfer Hydrophobic (hexadecanethiol (HOT)) SAMs that are to sustain deposition of iron oxide precipitates. Hydrophilic (dithiothreitol, DTT) SAMs were used to induce crystalline iron oxide films. 0.05 M of iron nitrate (Fe(NO3)3·9H2O) aqueous solutions containing urea under nitric acid (pH < 2) were used. Selective depositions were realized through precipitation of crystalline iron oxides at ambient temperature (80°C) onto the mixed SAM surfaces.

Original languageEnglish
Pages (from-to)473-476
Number of pages4
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume371
DOIs
StatePublished - 2001
Externally publishedYes

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Keywords

  • In situ patterning
  • Iron oxide films
  • Micro-contact printing
  • Selective deposition
  • Self-assembled organic monolayers

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