Templating sub-10 nm atomic layer deposited oxide nanostructures on graphene via one-dimensional organic self-assembled monolayers

Justice M P Alaboson, Chun Hong Sham, Sumit Kewalramani, Jonathan D. Emery, James E. Johns, Aparna Deshpande, Teyu Chien, Michael J. Bedzyk, Jeffrey W. Elam, Michael J. Pellin, Mark C Hersam

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Molecular-scale control over the integration of disparate materials on graphene is a critical step in the development of graphene-based electronics and sensors. Here, we report that self-assembled monolayers of 10,12- pentacosadiynoic acid (PCDA) on epitaxial graphene can be used to template the reaction and directed growth of atomic layer deposited (ALD) oxide nanostructures with sub-10 nm lateral resolution. PCDA spontaneously assembles into well-ordered domains consisting of one-dimensional molecular chains that coat the entire graphene surface in a manner consistent with the symmetry of the underlying graphene lattice. Subsequently, zinc oxide and alumina ALD precursors are shown to preferentially react with the functional moieties of PCDA, resulting in templated oxide nanostructures. The retention of the original one-dimensional molecular ordering following ALD is dependent on the chemical reaction pathway and the stability of the monolayer, which can be enhanced via ultraviolet-induced molecular cross-linking.

Original languageEnglish
Pages (from-to)5763-5770
Number of pages8
JournalNano Letters
Volume13
Issue number12
DOIs
Publication statusPublished - Dec 11 2013

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Self assembled monolayers
Oxides
Graphene
Nanostructures
graphene
oxides
acids
Acids
Zinc Oxide
molecular chains
Aluminum Oxide
Zinc oxide
zinc oxides
Chemical reactions
Monolayers
chemical reactions
Electronic equipment
Alumina
templates

Keywords

  • ALD
  • alumina
  • Epitaxial graphene
  • pentacosadiynoic acid
  • silicon carbide
  • zinc oxide

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Templating sub-10 nm atomic layer deposited oxide nanostructures on graphene via one-dimensional organic self-assembled monolayers. / Alaboson, Justice M P; Sham, Chun Hong; Kewalramani, Sumit; Emery, Jonathan D.; Johns, James E.; Deshpande, Aparna; Chien, Teyu; Bedzyk, Michael J.; Elam, Jeffrey W.; Pellin, Michael J.; Hersam, Mark C.

In: Nano Letters, Vol. 13, No. 12, 11.12.2013, p. 5763-5770.

Research output: Contribution to journalArticle

Alaboson, JMP, Sham, CH, Kewalramani, S, Emery, JD, Johns, JE, Deshpande, A, Chien, T, Bedzyk, MJ, Elam, JW, Pellin, MJ & Hersam, MC 2013, 'Templating sub-10 nm atomic layer deposited oxide nanostructures on graphene via one-dimensional organic self-assembled monolayers', Nano Letters, vol. 13, no. 12, pp. 5763-5770. https://doi.org/10.1021/nl4000932
Alaboson, Justice M P ; Sham, Chun Hong ; Kewalramani, Sumit ; Emery, Jonathan D. ; Johns, James E. ; Deshpande, Aparna ; Chien, Teyu ; Bedzyk, Michael J. ; Elam, Jeffrey W. ; Pellin, Michael J. ; Hersam, Mark C. / Templating sub-10 nm atomic layer deposited oxide nanostructures on graphene via one-dimensional organic self-assembled monolayers. In: Nano Letters. 2013 ; Vol. 13, No. 12. pp. 5763-5770.
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