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The synthesis of atomically thin TiOx nanosheets with large size

  • Journal of the Korean Crystal Growth and Crystal Technology
  • Abbr : J. Korean Cryst. Growth Cryst. Technol.
  • 2017, 27(6), pp.289-294
  • DOI : 10.6111/JKCGCT.2017.27.6.289
  • Publisher : The Korea Association Of Crystal Growth, Inc.
  • Research Area : Engineering > Materials Science and Engineering
  • Received : October 27, 2017
  • Accepted : December 11, 2017
  • Published : December 31, 2017

Sang Eun Lee 1 Jonghan Won 2 Hee Jung Park 1

1대전대학교
2한국기초과학지원연구원

Accredited

ABSTRACT

Films fabricated using atomic layer 2-dimensional nanosheets exhibit various physical properties depending on the size of the nanosheet. This is because the physical properties of the film depend on the interfacial properties between the sheets. Therefore, the synthesis of large-sized nanosheets is very important because it can reduce the dependency of the film on the interfacial properties. In this study, we succeeded in fabricating TiOx nanosheets with atomic layer thickness over micrometer size by using single-crystallized starting material and its chemical exfoliation. In addition, it was revealed that the mechanical agitation speed (the stirring speed of a magnetic bar) during the exfoliation step using the organic material is closely related to the nanosheet size and the colloidal concentration of the nanosheets.

Citation status

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This paper was written with support from the National Research Foundation of Korea.